• 1940 to 1944 1
• 1945 to 1949 2
• 1950 to 1954 18
• 1955 to 1959 24
• 1960 to 1964 41
• 1965 to 1969 44
• 1970 to 1974 46
• 1975 to 1979 71
• 1980 to 1984 62
• 1985 to 1989 52
• 1990 to 1994 30
• 1995 to 1999 15
• 2000 to 2000 5