- 1973 to 19746,549
- 1975 to 19799,589
- 1980 to 19846,803
- 1985 to 19898,657
- 1990 to 19945,127
- 1995 to 19996,007
- 2000 to 20042,137
- 2005 to 2009229
- 2010350
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