- 19766,094
- 1977 to 19798,436
- 1980 to 19813,565
- 1982 to 19844,532
- 1985 to 19865,105
- 1987 to 19894,668
- 1990 to 19911,949
- 1992 to 19943,757
- 1995 to 19963,457
- 1997 to 19993,086
- 2000 to 20011,690
- 2002509
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