• 1946 to 1949 1
• 1950 to 1954 7
• 1955 to 1959 14
• 1960 to 1964 16
• 1965 to 1969 87
• 1970 to 1974 103
• 1975 to 1979 138
• 1980 to 1984 166
• 1985 to 1989 258
• 1990 to 1994 261
• 1995 to 1999 313
• 2000 to 2004 294
• 2005 to 2009 523
• 2010 to 2014 2,505
• 2015 to 2018 1,033