- 1973 to 19746,760
- 1975 to 19799,778
- 1980 to 19846,862
- 1985 to 19898,738
- 1990 to 19945,204
- 1995 to 19996,211
- 2000 to 20042,577
- 2005 to 2009552
- 2010389
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