1895 1939.714 1896 1585.752 1897 5776.668 1898 3596.259 1899 3624.576 1900 1633.891 1901 4559.037 1902 6201.423 1903 3114.87 1904 1260.106 1905 2021.834 1906 2302.172 1907 3369.723 1908 4304.184 1909 2350.311 1910 4757.256 1911 3001.602 1912 2701.442 1913 3936.063 1914 2092.626 1915 3936.063 1916 3511.308 1917 3482.991 1918 3596.259 1919 2279.518 1920 3086.553 1921 2514.550 1922 2231.380 1923 1152.502 1924 7843.809 1925 2520.213 1926 1713.178 1927 2545.698 1928 4105.965 1929 5097.06 1930 3114.87 1931 1042.066 1932 4474.086 1933 3482.991 1934 1039.234 1935 3624.576 1936 13592.16 1937 8778.27 1938 4955.475 1939 3511.308 1940 2650.471 1941 1953.873 1942 3539.625 1943 11836.51 1944 1990.685 1945 3936.063 1946 1503.633 1947 1192.146 1948 2463.579 1949 3737.844 1950 1832.11 1951 3624.576 1952 3596.259 1952 3341.406 1954 3086.553 1955 6059.838 1956 1721.674 1957 1959.536 1958 2038.824 1959 1577.257 1960 3511.308 1961 2888.334 1962 3284.772 1963 3539.625 1964 2463.579 1965 2769.403 1966 2019.002 1967 4077.648 1968 2174.746 1969 787.2126 1970 2607.996 1971 2446.589 1972 9825.999 1973 3001.602 1974 3737.844 1975 5125.377 1976 3086.553 1977 5465.181 1978 3936.063 1979 5040.426 1980 1968.031 1981 1186.482 1982 2605.164 1983 3256.455 1984 5635.083 1985 2398.45 1986 8749.953 1987 4332.501 1988 2721.264 1989 2290.845 1990 1127.017 1991 2406.945 1992 2548.53 1993 4728.939 1994 3256.455 1995 2469.242 1996 8778.27 1997 2412.608 1998 3482.991 1999 1149.670 2000 1744.327