• 1944 to 1944 2
• 1945 to 1949 0
• 1950 to 1954 0
• 1955 to 1959 0
• 1960 to 1964 0
• 1965 to 1969 2
• 1970 to 1974 5
• 1975 to 1979 8
• 1980 to 1984 30
• 1985 to 1989 21
• 1990 to 1994 23
• 1995 to 1999 38
• 2000 to 2004 24
• 2005 to 2007 5