- 19766,007
- 1977 to 19798,336
- 1980 to 19813,543
- 1982 to 19844,513
- 1985 to 19865,094
- 1987 to 19894,653
- 1990 to 19911,946
- 1992 to 19943,754
- 1995 to 19963,456
- 1997 to 19993,009
- 2000 to 20011,576
- 2002456
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