- 1947 to 1949 39,928
- 1950 to 1954 70,934
- 1955 to 1959 81,881
- 1960 to 1964 106,021
- 1965 to 1969 135,581
- 1970 to 1974 155,517
- 1975 to 1979 174,180
- 1980 to 1984 190,982
- 1985 to 1989 230,808
- 1990 to 1994 280,407
- 1995 to 1999 398,025
- 2000 to 2004 414,928
- 2005 to 2009 533,018
- 2010 to 2014 689,595
- 2015 to 2018 613,516