• 1943 to 1944 2
• 1945 to 1949 4
• 1950 to 1954 5
• 1955 to 1959 5
• 1960 to 1964 6
• 1965 to 1969 7
• 1970 to 1974 7
• 1975 to 1979 8
• 1980 to 1984 9
• 1985 to 1989 15
• 1990 to 1994 77
• 1995 to 1999 363
• 2000 to 2004 7
• 2005 to 2007 1