1919 1
1920 3
1922 2
1923 1
1925 2
1926 1
1927 2
1928 2
1930 2
1931 5
1932 2
1933 6
1934 3
1935 4
1936 5
1937 2
1938 4
1939 6
1940 10
1941 11
1942 2
1943 3
1944 9
1945 6
1946 6
1947 7
1948 5
1949 5
1950 6
1951 8
1952 2
1953 5
1954 8
1955 9
1956 9
1957 8
1958 6
1959 9
1960 17
1961 6
1962 11
1963 14
1964 16
1965 13
1966 6
1967 10
1968 14
1969 9
1970 6
1971 12
1972 10
1973 16
1974 7
1975 7
1976 12
1977 11
1978 4
1979 14
1980 12
1981 14
1982 15
1983 10
1984 20
1985 30
1986 30
1987 27
1988 36
1989 40
1990 32
1991 24
1992 33
1993 36
1994 48
1995 46
1996 48
1997 53
1998 57
1999 78
2000 66
2001 81
2002 81
2003 62
2004 63
2005 50
2006 45
2007 30
2008 11