- 1945 to 1949 1,205
- 1950 to 1954 1,826
- 1955 to 1959 1,659
- 1960 to 1964 1,838
- 1965 to 1969 1,887
- 1970 to 1974 1,886
- 1975 to 1979 1,886
- 1980 to 1984 1,887
- 1985 to 1989 1,886
- 1990 to 1994 1,887
- 1995 to 1999 1,887
- 2000 to 2004 60
- 2005 to 2009 60
- 2010 to 2010 12