• 1983 to 1983 27
• 1984 to 1984 63
• 1985 to 1985 157
• 1986 to 1986 313
• 1987 to 1987 397
• 1988 to 1988 393
• 1989 to 1989 362
• 1990 to 1990 929
• 1991 to 1991 2,755
• 1992 to 1992 3,477
• 1993 to 1993 3,454
• 1994 to 1994 3,449
• 1995 to 1995 2,788
• 1996 to 1996 806