- 19766,105
- 1977 to 19798,447
- 1980 to 19813,569
- 1982 to 19844,537
- 1985 to 19865,110
- 1987 to 19894,672
- 1990 to 19911,953
- 1992 to 19943,762
- 1995 to 19963,461
- 1997 to 19993,143
- 2000 to 20011,758
- 2002555
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