• 1930 to 1934 7
• 1935 to 1939 5
• 1940 to 1944 20
• 1945 to 1949 22
• 1950 to 1954 7
• 1955 to 1959 0
• 1960 to 1964 2
• 1965 to 1969 4
• 1970 to 1974 3
• 1975 to 1979 2
• 1980 to 1984 7
• 1985 to 1989 0
• 1990 to 1993 5