Year	Total
1984	7791
1985	7728
1986	8139
1987	8118
1988	6960
1989	6794
1990	6505
1991	6279
1992	6109
1993	6893
1994	9392
1995	12220
1996	15120
1997	18510
1999	23210
2001	36860
2002	32580