- 1973 to 19746,728
- 1975 to 19799,720
- 1980 to 19846,837
- 1985 to 19898,690
- 1990 to 19945,138
- 1995 to 19996,143
- 2000 to 20042,505
- 2005 to 2009499
- 2010384
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