1901 - 121.4  | 1940 - 294.6  | 1980 - 46.7  |
1902 - 51.8  | 1941 - 158.1  | 1981 - 39.9  |
1903 - 119.1  | 1942 - 331.8  | 1982 - 127.1  |
1904 - 65.6  | 1943 - 34.3  | 1983 - 23.9  |
1905 - 39.2  | 1944 - 35.9  | 1984 - 36.4  |
1906 - 33.6  | 1945 - 86.3  | 1985 - 193.6  |
1907 - 118.4  | 1946 - 80.1  | 1986 - 149.3  |
1908 - 105.5  | 1947 - 342.8  | 1987 - 151.5  |
1909 - 131.9  | 1948 - 35.2  | 1988 - 13.0  |
1910 - 12.8  | 1949 - 53.6  | 1989 - 1.9  |
1911 - 38.0  | 1950 - 53.0  | 1990 - 8.4  |
1912 - 56.9  | 1951 - 62.1  | 1991 - 77.3  |
1913 - 17.9  | 1952 - 20.1  | 1992 - 33.6  |
1914 - 53.3  | 1953 - 69.5  | 1993 - 41.2  |
1915 - 16.6  | 1954 - 112.8  | 1994 - 62.8  |
1916 - 26.0  | 1955 - 85.2  | 1995 - 21.8  |
1917 - 162.1  | 1956 - 210.7  | 1996 - 150.5  |
1918 - 66.7  | 1957 - 18.9  | 1997 - 131.6  |
1919 - 73.4  | 1958 - 49.7  | 1998 - 19.3  |
1920 - 32.3  | 1959 - 52.1  | 1999 - 47.7  |
1921 - 34.8  | 1960 - 42.0  | 2000 - 3.6  |
1922 - 145.7  | 1961 - 24.9  | 2001 - 27.7  |
1923 - 25.3  | 1962 - 83.2  | 2002 - 21.6  |
1924 - 125.1  | 1963 - 337.2  | 2003 - 80.1  |
1925 - 32.2  | 1964 - 108.9  | 2004 - 13.2  |
1926 - 99.4  | 1965 - 59.6  | 2005 - 23.6  |
1927 - 19.3  | 1966 - 99.3  | 2006 - 31.5  |
1928 - 93.5  | 1967 - 30.0  | 2007 - 4.8  |
1929 - 227.1  | 1968 - 45.3  | 2008 - 20.3  |
1930 - 18.4  | 1969 - 85.5  | 2009 - 56.5  |
1931 - 55.3  | 1970 - 130.9  | 2010 - 94.7  |
1932 - 44.8  | 1971 - 100.5  | 2011 - 80.6  |
1933 - 87.6  | 1972 - 39.7  | 2012 - 88.4  |
1934 - 97.0  | 1973 - 23.8  | 2013 - 73.0  |
1935 - 22.9  | 1974 - 24.3  | 2014 - 0.0  |
1936 - 26.7  | 1975 - 3.2  | 2015 - 7.8  |
1937 - 35.8  | 1976 - 72.6  | 2016 - 9.6  |
1938 - 29.5  | 1977 - 19.1  | 2017 - 36.0  |
1939 - 106.0  | 1978 - 44.4  | 2018 - 34.1  |
1940 - 294.6  | 1979 - 205.7  | 2019 - 12.1  |