- 19766,135
- 1977 to 19798,486
- 1980 to 19813,583
- 1982 to 19844,554
- 1985 to 19865,128
- 1987 to 19894,707
- 1990 to 19911,982
- 1992 to 19943,812
- 1995 to 19963,501
- 1997 to 19993,183
- 2000 to 20011,784
- 2002571
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