- 19766,139
- 1977 to 19798,491
- 1980 to 19813,589
- 1982 to 19844,559
- 1985 to 19865,135
- 1987 to 19894,716
- 1990 to 19911,996
- 1992 to 19943,828
- 1995 to 19963,517
- 1997 to 19993,195
- 2000 to 20011,785
- 2002572
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