- 19766,124
- 1977 to 19798,468
- 1980 to 19813,575
- 1982 to 19844,546
- 1985 to 19865,117
- 1987 to 19894,700
- 1990 to 19911,977
- 1992 to 19943,798
- 1995 to 19963,490
- 1997 to 19993,178
- 2000 to 20011,783
- 2002570
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