- 19735,905
- 1974 to 19756,635
- 1976 to 19776,631
- 1978 to 19797,675
- 1980 to 19813,541
- 1982 to 19833,464
- 1984 to 19854,620
- 1986 to 19874,708
- 1988 to 19892,510
- 1990 to 19911,943
- 1992 to 19932,228
- 19941,977
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