- 1950 to 1954 44
- 1955 to 1959 85
- 1960 to 1964 156
- 1965 to 1969 101
- 1970 to 1974 145
- 1975 to 1979 181
- 1980 to 1984 153
- 1985 to 1989 116
- 1990 to 1994 519
- 1995 to 1999 800
- 2000 to 2004 542
- 2005 to 2009 468
- 2010 to 2014 160
- 2015 to 2019 87
- 2020 to 2023 30