- 19766,109
- 1977 to 19798,453
- 1980 to 19813,573
- 1982 to 19844,543
- 1985 to 19865,117
- 1987 to 19894,700
- 1990 to 19911,968
- 1992 to 19943,787
- 1995 to 19963,479
- 1997 to 19993,165
- 2000 to 20011,770
- 2002561
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