| #1909 | 0 |
| #1910 | 0 |
| #1911 | 0 |
| #1912 | 0 |
| #1913 | 0 |
| #1914 | 0 |
| #1915 | 0 |
| #1916 | 0 |
| #1917 | 0 |
| #1918 | 5 |
| #1919 | 0 |
| #1920 | 0 |
| #1921 | 0 |
| #1922 | 0 |
| #1923 | 0 |
| #1924 | 0 |
| #1925 | 4.23 |
| #1926 | 0 |
| #1927 | 4.49 |
| #1928 | 4.13 |
| #1929 | 3.63 |
| #1930 | 3.2 |
| #1931 | 0 |
| #1932 | 4.24 |
| #1933 | 0 |
| #1934 | 0 |
| #1935 | 5 |
| #1936 | 3.25 |
| #1937 | 3.5 |
| #1938 | 0 |
| #1939 | 3.82 |
| #1940 | 4.12 |
| #1941 | 0 |
| #1942 | 0 |
| #1943 | 4.04 |
| #1944 | 1 |
| #1945 | 0 |
| #1946 | 4.32 |
| #1947 | 3.98 |
| #1948 | 4.22 |
| #1949 | 4.34 |
| #1950 | 0 |
| #1951 | 4 |
| #1952 | 0 |
| #1954 | 4.54 |
| #1955 | 0 |
| #1956 | 0 |
| #1957 | 3 |
| #1958 | 4.28 |
| #1959 | 4.15 |
| #1960 | 0 |
| #1961 | 0 |
| #1962 | 4 |
| #1963 | 0 |
| #1964 | 0 |
| #1965 | 0 |
| #1966 | 0 |
| #1967 | 0 |
| #1968 | 0 |
| #1969 | 0 |
| #1970 | 0 |
| #1971 | 0 |
| #1972 | 0 |
| #1973 | 0 |
| #1974 | 3.73 |
| #1975 | 0 |
| #1976 | 0 |
| #1977 | 0 |
| #1978 | 0 |
| #1979 | 0 |
| #1980 | 0 |
| #1981 | 0 |
| #1982 | 0 |
| #1983 | 0 |
| #1984 | 0 |
| #1985 | 3.76 |
| #1986 | 5 |
| #1987 | 0 |
| #1988 | 0 |
| #1989 | 4 |
| #1990 | 0 |
| #1991 | 0 |
| #1992 | 3.67 |
| #1993 | 3.33 |
| #1994 | 0 |
| #1995 | 2.5 |
| #1996 | 0 |
| #1997 | 4.01 |
| #1998 | 3.52 |
| #1999 | 0 |
| #2000 | 3 |
| #2001 | 3.79 |
| #2002 | 4.15 |
| #2003 | 0 |
| #2004 | 3.66 |
| #2005 | 0 |
| #2006 | 0 |
| #2007 | 4 |
| #2008 | 0 |
| #2009 | 2.75 |
