- 19765,681
- 1977 to 19797,996
- 1980 to 19813,308
- 1982 to 19844,240
- 1985 to 19864,855
- 1987 to 19894,399
- 1990 to 19911,700
- 1992 to 19942,350
- 1995 to 19962,607
- 1997 to 19992,866
- 2000 to 20011,560
- 2002435
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