Year Mon Area 1874 6 184.3 1874 7 99.8 1874 8 346.1 1874 9 531.6 1874 10 286.3 1874 11 380.0 1874 12 167.3 1875 1 12.7 1875 2 26.9 1875 3 68.1 1875 4 167.8 1875 5 190.3 1875 6 11.0 1875 7 292.7 1875 8 14.7 1875 9 .5 1875 10 23.2 1875 11 27.7 1875 12 128.4 1876 1 90.7 1876 2 151.5 1876 3 236.1 1876 4 64.4 1876 5 8.4 1876 6 38.5 1876 7 2.4 1876 8 59.3 1876 9 33.0 1876 10 86.5 1876 11 160.4 1876 12 38.2 1877 1 .0 1877 2 5.5 1877 3 2.5 1877 4 62.7 1877 5 68.8 1877 6 23.1 1877 7 55.7 1877 8 1.4 1877 9 .0 1877 10 21.4 1877 11 130.5 1877 12 274.3 1878 1 22.2 1878 2 .0 1878 3 16.4 1878 4 .0 1878 5 .0 1878 6 .0 1878 7 .5 1878 9 .0 1878 9 .0 1878 10 .0 1878 11 .0 1878 12 .0 1879 1 2.0 1879 4 1.2 1879 4 .0 1879 4 .0 1879 5 48.8 1879 6 .0 1879 7 19.0 1879 8 23.5 1879 9 3.3 1879 10 .0 1879 11 61.2 1879 12 95.3 1880 1 33.8 1880 2 138.0 1880 3 91.4 1880 4 51.7 1880 5 29.7 1880 6 .7 1880 7 352.4 1880 8 93.1 1880 9 107.3 1880 10 585.0 1880 11 272.7 1880 12 102.5 1881 1 246.5 1881 2 320.1 1881 3 226.8 1881 4 286.1 1881 5 309.9 1881 6 252.2 1881 7 281.4 1881 8 262.2 1881 9 123.6 1881 10 185.5 1881 11 194.5 1881 12 129.9 1882 1 162.2 1882 2 91.7 1882 3 313.3 1882 4 711.1 1882 5 1428.1 1882 6 968.1 1882 7 312.2 1882 8 154.2 1882 9 217.3 1882 10 357.3 1882 11 674.8 1882 12 852.9 1883 1 182.9 1883 2 654.2 1883 3 233.7 1883 4 495.0 1883 5 720.5 1883 6 194.6 1883 7 1049.5 1883 8 1582.6 1883 9 519.3 1883 10 880.5 1883 11 1374.9 1883 12 1181.3 1884 1 958.5 1884 2 812.2 1884 3 513.3 1884 4 826.4 1884 5 1433.7 1884 6 952.4 1884 7 321.8 1884 8 288.3 1884 9 359.5 1884 10 335.6 1884 11 620.0 1884 12 302.1 1885 1 254.5 1885 2 443.8 1885 3 741.3 1885 4 623.9 1885 5 369.7 1885 6 386.0 1885 7 995.4 1885 8 972.4 1885 9 458.8 1885 10 437.3 1885 11 570.8 1885 12 153.3 1886 1 50.6 1886 2 514.2 1886 3 260.7 1886 4 696.4 1886 5 513.3 1886 6 395.5 1886 7 343.3 1886 8 348.5 1886 9 89.0 1886 10 43.7 1886 11 46.0 1886 12 1.5 1887 1 131.3 1887 2 85.4 1887 3 35.3 1887 4 3.4 1887 5 2.0 1887 6 125.1 1887 7 272.5 1887 8 257.0 1887 9 138.2 1887 10 3.8 1887 11 55.1 1887 12 50.2 1888 1 561.5 1888 2 115.2 1888 3 82.6 1888 4 14.4 1888 5 21.5 1888 6 191.8 1888 7 18.7 1888 8 20.6 1888 9 63.2 1888 10 94.9 1888 11 10.9 1888 12 109.7 1889 1 77.0 1889 2 .0 1889 3 24.3 1889 4 10.4 1889 5 1.0 1889 6 14.9 1889 7 210.2 1889 8 150.1 1889 9 291.7 1889 10 87.0 1889 12 10.2 1889 12 .0 1890 1 61.0 1890 2 10.9 1890 3 .7 1890 4 .0 1890 5 2.7 1890 6 17.5 1890 7 9.0 1890 8 120.0 1890 9 8.2 1890 10 63.7 1890 11 250.2 1890 12 32.7 1891 1 28.3 1891 2 160.5 1891 3 30.6 1891 4 5.3 1891 5 157.5 1891 6 280.9 1891 7 116.6 1891 8 78.8 1891 9 214.9 1891 10 144.8 1891 11 260.6 1891 12 328.0 1892 1 231.5 1892 2 553.3 1892 3 1136.8 1892 4 410.0 1892 5 472.4 1892 6 1016.7 1892 7 311.0 1892 8 729.7 1892 9 512.3 1892 10 403.9 1892 11 485.7 1892 12 590.1 1893 1 574.9 1893 2 922.1 1893 3 817.7 1893 4 466.6 1893 5 663.1 1893 6 839.7 1893 7 950.8 1893 8 1036.0 1893 9 1767.6 1893 10 1017.2 1893 11 814.7 1893 12 844.1 1894 1 1113.8 1894 2 1192.4 1894 3 1076.1 1894 4 178.9 1894 5 704.5 1894 6 1345.1 1894 7 975.7 1894 8 816.6 1894 9 270.9 1894 10 326.0 1894 11 814.7 1894 12 339.5 1895 1 772.9 1895 2 573.3 1895 3 360.0 1895 4 478.1 1895 5 224.0 1895 6 301.9 1895 7 493.1 1895 8 382.2 1895 9 403.8 1895 10 295.5 1895 11 420.0 1895 12 255.4 1896 1 693.5 1896 2 217.7 1896 3 417.2 1896 4 377.4 1896 5 98.7 1896 6 184.8 1896 7 674.5 1896 8 424.5 1896 9 218.2 1896 10 379.9 1896 11 226.7 1896 12 542.0 1897 1 274.0 1897 2 1271.8 1897 3 446.1 1897 4 247.3 1897 5 132.4 1897 6 333.2 1897 7 206.7 1897 8 179.0 1897 9 498.6 1897 10 501.9 1897 11 29.6 1897 12 15.4 1898 1 35.8 1898 2 136.9 1898 3 418.8 1898 4 550.3 1898 5 150.2 1898 6 249.1 1898 7 40.3 1898 8 25.7 1898 9 261.8 1898 10 741.6 1898 11 327.6 1898 12 103.6 1899 1 161.5 1899 2 237.3 1899 3 34.9 1899 4 284.8 1899 5 129.3 1899 6 52.4 1899 7 34.8 1899 8 143.2 1899 9 1.4 1899 10 13.7 1899 11 74.6 1899 12 28.2 1900 1 29.1 1900 2 8.4 1900 3 7.7 1900 4 152.1 1900 5 74.4 1900 6 77.9 1900 7 50.6 1900 8 45.2 1900 9 .0 1900 10 16.7 1900 11 142.8 1901 1 .7 1901 1 .0 1901 2 .3 1901 3 5.7 1901 5 1.0 1901 5 .0 1901 6 .0 1901 7 7.5 1901 9 1.0 1901 9 .0 1901 10 .0 1901 11 15.3 1902 1 46.7 1902 1 .0 1902 2 108.5 1902 3 .4 1902 5 .3 1902 5 .0 1902 6 .0 1902 7 .0 1902 8 .0 1902 9 .2 1902 10 56.7 1902 11 78.0 1902 12 1.1 1903 1 .6 1903 2 17.1 1903 3 36.9 1903 4 70.9 1903 5 206.0 1903 6 12.4 1903 7 25.7 1903 8 161.0 1903 9 78.9 1903 10 25.3 1903 11 993.6 1903 12 549.4 1904 1 282.7 1904 2 199.3 1904 3 112.3 1904 4 147.2 1904 5 592.9 1904 6 182.2 1904 7 76.2 1904 8 266.3 1904 9 410.9 1904 10 187.0 1904 11 217.0 1904 12 164.8 1905 1 66.7 1905 2 585.5 1905 3 1197.3 1905 4 516.9 1905 5 183.6 1905 6 326.4 1905 7 208.2 1905 8 505.2 1905 9 442.0 1905 10 304.9 1905 11 50.8 1905 12 563.7 1906 1 386.3 1906 2 354.5 1906 3 85.1 1906 4 323.8 1906 5 124.2 1906 6 204.3 1906 7 139.5 1906 8 270.5 1906 9 463.7 1906 10 176.8 1906 11 77.7 1906 12 269.1 1907 1 407.5 1907 2 539.7 1907 3 1503.7 1907 4 591.1 1907 5 187.6 1907 6 467.3 1907 7 869.0 1907 8 673.8 1907 9 499.8 1907 10 508.7 1907 11 503.5 1907 12 208.1 1908 1 549.7 1908 2 316.8 1908 3 157.7 1908 4 168.4 1908 5 662.4 1908 6 344.6 1908 7 498.8 1908 8 248.3 1908 9 1072.0 1908 10 620.5 1908 11 190.4 1908 12 106.6 1909 1 189.0 1909 2 413.7 1909 3 433.9 1909 4 355.9 1909 5 335.4 1909 6 437.9 1909 7 248.0 1909 8 57.5 1909 9 84.1 1909 10 739.7 1909 11 703.1 1909 12 480.3 1910 1 426.5 1910 2 299.1 1910 3 564.4 1910 4 125.5 1910 5 33.9 1910 6 263.8 1910 7 89.0 1910 8 57.9 1910 9 187.8 1910 10 418.9 1910 11 307.1 1910 12 9.0 1911 1 37.0 1911 2 43.5 1911 3 54.1 1911 4 43.6 1911 5 206.8 1911 6 67.0 1911 7 1.4 1911 8 1.6 1911 9 23.1 1911 10 .9 1911 11 .0 1911 12 55.0 1912 3 10.5 1912 3 .0 1912 3 .0 1912 4 59.3 1912 5 84.6 1912 6 21.7 1912 7 80.9 1912 8 9.5 1912 9 .3 1912 10 45.7 1912 11 56.8 1912 12 2.8 1913 1 74.1 1913 2 7.1 1913 3 .0 1913 4 .8 1913 7 3.2 1913 7 .0 1913 7 .0 1913 9 .0 1913 9 .0 1913 10 .0 1913 11 .0 1913 12 5.1 1914 1 13.8 1914 2 7.2 1914 3 9.1 1914 4 .2 1914 5 24.3 1914 6 2.4 1914 7 150.2 1914 8 46.5 1914 9 9.0 1914 10 127.9 1914 11 4.9 1914 12 75.3 1915 1 169.7 1915 2 31.5 1915 3 309.5 1915 4 192.3 1915 5 204.0 1915 6 67.2 1915 7 411.6 1915 8 1059.4 1915 9 609.7 1915 10 240.1 1915 11 225.4 1915 12 236.1 1916 1 193.5 1916 2 207.6 1916 3 441.2 1916 4 429.9 1916 5 283.9 1916 6 613.2 1916 7 292.1 1916 8 32.3 1916 9 34.4 1916 10 79.5 1916 11 119.0 1916 12 242.1 1917 1 271.1 1917 2 149.1 1917 3 1092.3 1917 4 383.9 1917 5 248.7 1917 6 917.3 1917 7 746.4 1917 8 496.1 1917 9 1041.8 1917 10 822.1 1917 11 595.4 1917 12 519.6 1918 1 1065.8 1918 2 1054.8 1918 3 186.7 1918 4 318.6 1918 5 405.3 1918 6 439.1 1918 7 228.2 1918 8 412.6 1918 9 661.7 1918 10 493.6 1918 11 416.4 1918 12 468.3 1919 1 1037.4 1919 2 329.2 1919 3 156.0 1919 4 405.5 1919 5 359.9 1919 6 641.6 1919 7 948.6 1919 8 690.5 1919 9 938.4 1919 10 703.6 1919 11 400.8 1919 12 192.2 1920 1 123.6 1920 2 1078.7 1920 3 268.9 1920 4 1125.0 1920 5 258.5 1920 6 97.4 1920 7 103.7 1920 8 194.1 1920 9 129.8 1920 10 673.7 1920 11 331.3 1920 12 485.0 1921 1 221.8 1921 2 446.1 1921 3 275.1 1921 4 115.4 1921 5 114.8 1921 6 127.0 1921 7 109.8 1921 8 236.8 1921 9 135.2 1921 10 63.6 1921 11 6.3 1921 12 241.7 1922 1 169.4 1922 2 78.3 1922 3 216.3 1922 4 260.0 1922 5 1.4 1922 6 .1 1922 7 5.9 1922 8 104.7 1922 9 63.9 1922 10 54.7 1922 11 49.2 1922 12 166.3 1923 1 92.1 1923 2 1.9 1923 3 .4 1923 4 .3 1923 5 23.2 1923 6 4.5 1923 7 11.0 1923 8 1.6 1923 9 1.2 1923 10 90.3 1923 11 89.5 1923 12 38.2 1924 1 .1 1924 2 .4 1924 3 1.5 1924 4 1.2 1924 5 124.0 1924 6 144.3 1924 7 12.0 1924 8 4.8 1924 9 7.9 1924 10 41.4 1924 11 127.3 1924 12 1.3 1925 1 69.1 1925 2 5.1 1925 3 221.1 1925 4 131.3 1925 5 78.0 1925 6 55.1 1925 7 186.3 1925 8 296.6 1925 9 176.7 1925 10 278.4 1925 11 814.6 1925 12 390.7 1926 1 1085.7 1926 2 813.6 1926 3 1247.0 1926 4 958.3 1926 5 254.0 1926 6 878.9 1926 7 291.2 1926 8 510.7 1926 9 769.3 1926 10 219.4 1926 11 350.9 1926 12 370.5 1927 1 560.6 1927 2 1166.0 1927 3 873.4 1927 4 322.5 1927 5 759.5 1927 6 603.3 1927 7 298.1 1927 8 460.9 1927 9 937.7 1927 10 988.5 1927 11 606.6 1927 12 744.3 1928 1 427.2 1928 2 762.6 1928 3 598.3 1928 4 795.1 1928 5 895.8 1928 6 1023.6 1928 7 454.5 1928 8 891.9 1928 9 602.1 1928 10 982.6 1928 11 236.9 1928 12 413.8 1929 1 300.7 1929 2 293.9 1929 3 570.3 1929 4 867.2 1929 5 490.0 1929 6 329.7 1929 7 726.0 1929 8 839.0 1929 9 611.0 1929 10 174.3 1929 11 598.1 1929 12 717.7 1930 1 816.8 1930 2 342.9 1930 3 353.6 1930 4 513.6 1930 5 222.6 1930 6 167.6 1930 7 90.3 1930 8 68.5 1930 9 192.4 1930 10 87.7 1930 11 227.6 1930 12 404.7 1931 1 99.4 1931 2 30.1 1931 3 131.9 1931 4 213.8 1931 5 87.7 1931 6 137.2 1931 7 13.4 1931 8 61.2 1931 9 47.6 1931 10 39.6 1931 11 73.2 1931 12 23.2 1932 1 38.1 1932 2 84.9 1932 3 8.3 1932 4 8.9 1932 5 35.6 1932 6 51.3 1932 7 97.7 1932 8 110.1 1932 9 82.5 1932 10 5.7 1932 11 .7 1932 12 4.7 1933 1 .2 1933 2 .0 1933 3 1.8 1933 4 .0 1933 5 .0 1933 6 .4 1933 7 1.6 1933 8 .9 1933 9 .2 1933 10 15.0 1933 11 .5 1933 12 .0 1934 1 .0 1934 2 .0 1934 3 4.1 1934 4 10.6 1934 5 332.1 1934 6 276.1 1934 7 5.2 1934 8 4.4 1934 9 91.0 1934 10 2.7 1934 11 11.0 1934 12 22.6 1935 1 127.4 1935 2 293.2 1935 3 170.3 1935 4 111.5 1935 5 99.1 1935 6 319.1 1935 7 574.7 1935 8 429.7 1935 9 139.5 1935 10 137.0 1935 11 170.4 1935 12 1003.2 1936 1 1551.3 1936 2 1160.9 1936 3 763.9 1936 4 883.6 1936 5 603.3 1936 6 462.9 1936 7 356.1 1936 8 238.2 1936 9 528.8 1936 10 622.7 1936 11 521.9 1936 12 1271.8 1937 1 728.9 1937 2 1614.1 1937 3 798.4 1937 4 251.9 1937 5 659.5 1937 6 989.4 1937 7 1133.2 1937 8 1042.7 1937 9 886.3 1937 10 146.5 1937 11 559.5 1937 12 539.0 1938 1 534.5 1938 2 221.8 1938 3 1066.1 1938 4 1147.9 1938 5 1617.3 1938 6 1606.4 1938 7 336.2 1938 8 2238.8 1938 9 1227.1 1938 10 810.0 1938 11 370.8 1938 12 1563.8 1939 1 1248.2 1939 2 855.8 1939 3 627.2 1939 4 463.4 1939 5 887.1 1939 6 693.1 1939 7 375.7 1939 8 1023.2 1939 9 1038.4 1939 10 2711.9 1939 11 1388.9 1939 12 748.5 1940 1 341.3 1940 2 275.6 1940 3 463.8 1940 4 609.6 1940 5 364.3 1940 6 372.0 1940 7 1058.7 1940 8 261.3 1940 9 1065.4 1940 10 678.4 1940 11 714.5 1940 12 222.0 1941 1 393.3 1941 2 193.1 1941 3 172.4 1941 4 120.4 1941 5 309.0 1941 6 109.3 1941 7 211.3 1941 8 444.6 1941 9 322.2 1941 10 224.6 1941 11 82.8 1941 12 249.2 1942 1 233.1 1942 2 267.1 1942 3 173.2 1942 4 136.9 1942 5 350.4 1942 6 122.5 1942 7 9.1 1942 8 183.7 1942 9 115.6 1942 10 89.5 1942 11 225.7 1942 12 290.9 1943 1 91.2 1943 2 45.0 1943 3 8.6 1943 4 13.0 1943 5 140.0 1943 6 47.7 1943 7 6.4 1943 8 15.4 1943 9 59.8 1943 10 20.0 1943 11 2.6 1943 12 6.2 1944 1 187.3 1944 2 .7 1944 3 .0 1944 4 148.1 1944 5 .7 1944 6 2.6 1944 7 3.3 1944 8 19.7 1944 9 74.4 1944 10 234.6 1944 11 149.8 1944 12 15.3 1945 1 344.3 1945 2 102.9 1945 3 43.4 1945 4 520.5 1945 5 558.4 1945 6 272.2 1945 7 366.0 1945 8 336.2 1945 9 21.3 1945 10 339.1 1945 11 682.3 1945 12 243.5 1946 1 203.6 1946 2 491.3 1946 3 560.3 1946 4 641.0 1946 5 842.4 1946 6 621.4 1946 7 318.2 1946 8 785.9 1946 9 858.2 1946 10 419.5 1946 11 862.5 1946 12 827.2 1947 1 1268.8 1947 2 1645.6 1947 3 2216.7 1947 4 2868.2 1947 5 3344.6 1947 6 1988.1 1947 7 624.4 1947 8 911.6 1947 9 1874.3 1947 10 866.8 1947 11 1178.0 1947 12 1012.3 1948 1 1166.2 1948 2 926.5 1948 3 517.0 1948 4 408.4 1948 5 1420.6 1948 6 2083.5 1948 7 1161.9 1948 8 430.3 1948 9 1344.2 1948 10 1198.2 1948 11 678.1 1948 12 474.6 1949 1 1870.9 1949 2 1023.0 1949 3 2002.7 1949 4 1262.0 1949 5 773.4 1949 6 534.2 1949 7 658.6 1949 8 994.3 1949 9 825.7 1949 10 1547.1 1949 11 498.1 1949 12 787.7 1950 1 469.9 1950 2 216.3 1950 3 355.0 1950 4 769.1 1950 5 910.6 1950 6 440.8 1950 7 506.9 1950 8 516.7 1950 9 718.4 1950 10 129.9 1950 11 381.0 1950 12 233.7 1951 1 233.6 1951 2 251.1 1951 3 75.7 1951 4 132.7 1951 5 454.0 1951 6 481.8 1951 7 1274.7 1951 8 629.4 1951 9 365.4 1951 10 239.6 1951 11 535.7 1951 12 351.7 1952 1 59.9 1952 2 78.3 1952 3 255.1 1952 4 131.8 1952 5 140.3 1952 6 252.9 1952 7 327.3 1952 8 548.2 1952 9 315.5 1952 10 171.5 1952 11 18.5 1952 12 38.2 1953 1 208.3 1953 2 156.0 1953 3 .5 1953 4 35.8 1953 5 13.4 1953 6 1.3 1953 7 95.1 1953 8 80.5 1953 9 22.3 1953 10 21.4 1953 11 46.5 1953 12 7.4 1954 1 3.7 1954 2 .4 1954 3 .0 1954 4 162.0 1954 5 2.7 1954 6 .0 1954 7 .0 1954 8 .9 1954 9 34.5 1954 10 1.5 1954 11 4.2 1954 12 48.7 1955 1 24.5 1955 2 105.6 1955 3 91.5 1955 4 27.8 1955 5 7.9 1955 6 38.9 1955 7 407.3 1955 8 90.2 1955 9 294.1 1955 10 137.1 1955 11 391.2 1955 12 656.9 1956 1 422.3 1956 2 251.8 1956 3 780.4 1956 4 789.1 1956 5 531.2 1956 6 1118.7 1956 7 574.0 1956 8 861.2 1956 9 1326.8 1956 10 1635.4 1956 11 1273.8 1956 12 2705.2 1957 1 1902.2 1957 2 1162.7 1957 3 885.7 1957 4 1279.4 1957 5 1425.1 1957 6 1495.0 1957 7 2648.7 1957 8 1694.1 1957 9 1002.5 1957 10 1352.9 1957 11 2739.6 1957 12 1564.7 1958 1 1967.5 1958 2 1517.9 1958 3 1450.6 1958 4 2285.9 1958 5 1616.4 1958 6 1306.9 1958 7 650.5 1958 8 1767.5 1958 9 1478.0 1958 10 2299.7 1958 11 1807.5 1958 12 1153.6 1959 1 1993.1 1959 2 855.0 1959 3 111.3 1959 4 561.7 1959 5 488.6 1959 6 830.8 1959 7 864.5 1959 8 258.6 1959 9 774.4 1959 10 945.6 1959 11 546.6 1959 12 659.8 1960 1 311.9 1960 2 1067.0 1960 3 518.8 1960 4 486.6 1960 5 696.2 1960 6 1029.9 1960 7 411.5 1960 8 220.5 1960 9 906.9 1960 10 805.3 1960 11 375.4 1960 12 213.9 1961 1 394.6 1961 2 136.0 1961 3 86.6 1961 4 207.5 1961 5 302.2 1961 6 32.3 1961 7 371.0 1961 8 411.8 1961 9 40.6 1961 10 189.0 1961 11 51.6 1961 12 30.2 1962 1 153.5 1962 2 9.6 1962 3 311.2 1962 4 127.1 1962 5 50.5 1962 6 386.3 1962 7 251.9 1962 8 30.5 1962 9 11.2 1962 10 105.2 1962 11 115.7 1962 12 173.8 1963 1 66.4 1963 2 5.1 1963 3 67.9 1963 4 16.7 1963 5 208.8 1963 6 116.2 1963 7 17.5 1963 8 .3 1963 9 84.9 1963 10 91.0 1963 11 16.7 1963 12 33.7 1964 1 47.1 1964 2 50.3 1964 3 16.2 1964 4 8.5 1964 5 9.8 1964 6 6.7 1964 7 1.7 1964 8 .2 1964 9 .0 1964 10 .0 1964 11 3.8 1964 12 3.8 1965 1 20.3 1965 2 .0 1965 3 3.0 1965 4 .2 1965 5 4.7 1965 6 .9 1965 7 80.5 1965 8 .7 1965 9 7.8 1965 10 3.1 1965 11 81.6 1965 12 4.9 1966 1 16.9 1966 2 70.2 1966 3 .0 1966 4 .0 1966 5 2.0 1966 6 78.3 1966 7 47.7 1966 8 56.1 1966 9 9.0 1966 10 44.3 1966 11 79.1 1966 12 5.1 1967 1 368.4 1967 2 938.9 1967 3 324.6 1967 4 805.3 1967 5 425.6 1967 6 432.3 1967 7 217.3 1967 8 300.5 1967 9 808.7 1967 10 396.8 1967 11 392.0 1967 12 406.9 1968 1 1170.6 1968 2 1137.2 1968 3 377.6 1968 4 487.9 1968 5 329.7 1968 6 946.5 1968 7 797.9 1968 8 495.0 1968 9 1069.6 1968 10 664.6 1968 11 732.9 1968 12 648.5 1969 1 814.8 1969 2 646.0 1969 3 413.3 1969 4 637.9 1969 5 420.7 1969 6 958.3 1969 7 822.5 1969 8 892.5 1969 9 834.5 1969 10 457.6 1969 11 390.2 1969 12 234.4 1970 1 854.6 1970 2 1745.3 1970 3 1627.2 1970 4 828.0 1970 5 1400.9 1970 6 1221.8 1970 7 482.0 1970 8 852.5 1970 9 373.8 1970 10 300.1 1970 11 404.1 1970 12 342.1 1971 1 391.1 1971 2 1256.8 1971 3 763.2 1971 4 628.1 1971 5 469.5 1971 6 109.0 1971 7 365.2 1971 8 681.5 1971 9 1306.7 1971 10 460.4 1971 11 319.6 1971 12 848.0 1972 1 884.0 1972 2 518.1 1972 3 830.2 1972 4 893.6 1972 5 495.6 1972 6 1237.5 1972 7 1244.7 1972 8 610.1 1972 9 530.0 1972 10 556.0 1972 11 1250.5 1972 12 662.2 1973 1 259.0 1973 2 62.7 1973 3 195.2 1973 4 538.3 1973 5 603.2 1973 6 350.1 1973 7 317.1 1973 8 87.6 1973 9 179.9 1973 10 418.7 1973 11 321.5 1973 12 252.3 1974 1 298.1 1974 2 237.0 1974 3 292.0 1974 4 96.6 1974 5 640.1 1974 6 503.1 1974 7 261.9 1974 8 1126.5 1974 9 515.6 1974 10 232.0 1974 11 295.7 1974 12 13.4 1975 1 15.5 1975 2 29.6 1975 3 14.8 1975 4 78.1 1975 5 .9 1975 6 84.8 1975 7 29.9 1975 8 182.5 1975 9 41.8 1975 10 54.1 1975 11 .6 1975 12 212.3 1976 1 10.2 1976 2 172.8 1976 3 14.7 1976 4 292.3 1976 5 281.8 1976 6 91.4 1976 7 46.6 1976 8 9.0 1976 9 48.3 1976 10 74.0 1976 11 114.0 1976 12 .6 1977 1 89.0 1977 2 97.7 1977 3 142.7 1977 4 2.8 1977 5 114.9 1977 6 39.2 1977 7 293.5 1977 8 37.0 1977 9 55.8 1977 10 174.3 1977 11 157.3 1977 12 79.5 1978 1 414.4 1978 2 287.5 1978 3 308.7 1978 4 425.6 1978 5 251.5 1978 6 326.7 1978 7 399.9 1978 8 184.5 1978 9 338.2 1978 10 605.4 1978 11 842.9 1978 12 768.1 1979 1 1420.4 1979 2 1560.2 1979 3 769.3 1979 4 814.8 1979 5 619.9 1979 6 386.5 1979 7 936.6 1979 8 686.3 1979 9 864.9 1979 10 552.3 1979 11 630.9 1979 12 1661.7 1980 1 1363.2 1980 2 940.2 1980 3 1053.2 1980 4 634.9 1980 5 1435.7 1980 6 2407.1 1980 7 1402.5 1980 8 1376.5 1980 9 588.5 1980 10 752.6 1980 11 1428.9 1980 12 1601.4 1981 1 1085.2 1981 2 792.3 1981 3 878.4 1981 4 1051.9 1981 5 273.7 1981 6 588.7 1981 7 799.6 1981 8 2717.1 1981 9 1049.1 1981 10 949.7 1981 11 2678.5 1981 12 1386.0 1982 1 1182.5 1982 2 653.5 1982 3 2206.1 1982 4 1715.9 1982 5 632.7 1982 6 837.7 1982 7 1041.9 1982 8 427.7 1982 9 855.9 1982 10 928.5 1982 11 923.5 1982 12 1392.3 1983 1 1792.5 1983 2 775.0 1983 3 731.6 1983 4 654.3 1983 5 789.4 1983 6 1426.1 1983 7 1166.5 1983 8 882.5 1983 9 775.1 1983 10 505.4 1983 11 264.1 1983 12 147.2 1984 1 211.8 1984 2 456.7 1984 3 831.4 1984 4 780.3 1984 5 1346.3 1984 6 860.5 1984 7 457.5 1984 8 188.8 1984 9 136.3 1984 10 100.7 1984 11 15.9 1984 12 181.1 1985 1 73.6 1985 2 175.5 1985 3 23.5 1985 4 20.1 1985 5 18.5 1985 6 266.5 1985 7 188.3 1985 8 341.4 1985 9 35.9 1985 10 18.1 1985 11 3.7 1985 12 75.9 1986 1 20.3 1986 2 35.0 1986 3 348.6 1986 4 23.3 1986 5 14.5 1986 6 2.8 1986 7 .5 1986 8 12.6 1986 9 2.8 1986 10 .0 1986 11 86.8 1986 12 15.8 1987 1 9.0 1987 2 14.0 1987 3 1.8 1987 4 12.6 1987 5 423.2 1987 6 142.3 1987 7 28.0 1987 8 189.2 1987 9 491.9 1987 10 196.5 1987 11 176.4 1987 12 417.3 1988 1 282.7 1988 2 397.3 1988 3 49.7 1988 4 495.1 1988 5 347.7 1988 6 385.5 1988 7 1179.2 1988 8 1302.5 1988 9 734.5 1988 10 791.2 1988 11 1031.8 1988 12 654.8 1989 1 760.5 1989 2 1817.0 1989 3 715.4 1989 4 635.6 1989 5 1148.0 1989 6 1035.1 1989 7 1664.2 1989 8 911.4 1989 9 1886.7 1989 10 1942.4 1989 11 1209.1 1989 12 622.3 1990 1 1018.8 1990 2 1356.5 1990 3 682.4 1990 4 1255.3 1990 5 502.6 1990 6 1080.8 1990 7 716.7 1990 8 902.8 1990 9 2093.5 1990 10 893.3 1990 11 1276.8 1990 12 770.5 1991 1 728.0 1991 2 2283.5 1991 3 2207.5 1991 4 2638.1 1991 5 591.2 1991 6 901.1 1991 7 692.8 1991 8 989.5 1991 9 1614.7 1991 10 1157.5 1991 11 2192.4 1991 12 952.5 1992 1 2212.5 1992 2 1783.3 1992 3 1391.4 1992 4 620.2 1992 5 943.4 1992 6 411.1 1992 7 128.7 1992 8 686.5 1992 9 418.6 1992 10 487.5 1992 11 1022.0 1992 12 1063.1 1993 1 707.2 1993 2 517.0 1993 3 691.4 1993 4 663.1 1993 5 407.4 1993 6 60.2 1993 7 331.0 1993 8 499.5 1993 9 190.4 1993 10 91.2 1993 11 470.4 1993 12 255.2 1994 1 168.0 1994 2 260.5 1994 3 71.8 1994 4 102.2 1994 5 9.0 1994 6 13.5 1994 7 109.7 1994 8 110.6 1994 9 148.9 1994 10 330.6 1994 11 187.6 1994 12 70.0 1995 1 304.4 1995 2 136.5 1995 3 149.5 1995 4 290.3 1995 5 117.4 1995 6 125.5 1995 7 12.2 1995 8 18.5 1995 9 7.0 1995 10 1.4 1995 11 226.3 1995 12 73.6 1996 1 51.5 1996 2 .0 1996 3 1.4 1996 4 18.2 1996 5 17.2 1996 6 37.8 1996 7 .9 1996 8 159.9 1996 9 113.4 1996 10 5.0 1996 11 1.4 1996 12 228.1 1997 1 63.2 1997 2 5.5 1997 3 6.8 1997 4 27.5 1997 5 64.1 1997 6 11.7 1997 7 38.4 1997 8 3.6 1997 9 18.7 1997 10 515.3 1997 11 54.1 1997 12 241.6 1998 1 159.9 1998 2 224.5 1998 3 243.4 1998 4 757.4 1998 5 464.7 1998 6 334.1 1998 7 406.5 1998 8 416.8 1998 9 561.9 1998 10 667.9 1998 11 213.7 1998 12 466.5