1866 20.5500 1867 21.4800 1868 22.8400 1869 23.6300 1870 25.6500 1871 23.4600 1872 26.4000 1873 25.4600 1874 24.8700 1875 32.4000 1876 31.3600 1877 34.1600 1878 36.8500 1879 43.2400 1880 41.7900 1881 34.7700 1882 43.6600 1883 43.2600 1884 47.2900 1885 47.1900 1886 45.5200 1887 43.8300 1888 50.8000 1889 52.4500 1890 46.1400 1891 58.9400 1892 50.3700 1893 51.4200 1894 50.5400 1895 60.4200 1896 64.4700 1897 64.1500 1898 69.3700 1899 69.0500 1900 69.0400 1901 61.6500 1902 76.6600 1903 71.7400 1904 78.4300 1905 78.5700 1906 83.4100 1907 75.0100 1908 79.6000 1909 81.4500 1910 81.8500 1911 78.6300 1912 92.6800 1913 81.8100 1914 91.7700 1915 96.7900 1916 85.6500 1917 92.1700 1918 92.4100 1919 93.3800 1920 101.840 1921 86.0900 1922 96.1100 1923 96.8300 1924 95.4300 1925 98.6900 1926 99.8900 1927 100.900 1928 104.850 1929 100.140 1930 94.2100 1931 104.860 1932 101.670 1933 88.4300 1934 71.4000 1935 94.8000 1936 79.0700 1937 111.030 1938 103.960 1939 102.270 1940 107.050 1941 109.340 1942 122.880 1943 115.610 1944 121.890 1945 118.800 1946 125.270 1947 119.100 1948 136.920 1949 131.850 1950 125.670