- 1955 CE to 1959 CE4,205
- 1960 CE to 1964 CE6,222
- 1965 CE to 1969 CE5,116
- 1970 CE to 1974 CE4,223
- 1975 CE to 1979 CE4,282
- 1980 CE to 1984 CE4,758
- 1985 CE to 1989 CE3,015
- 1990 CE to 1994 CE2,547
- 1995 CE to 1999 CE2,612
- 2000 CE to 2004 CE2,346
- 2005 CE to 2009 CE2,636
- 2010 CE to 2012 CE2,682