Year	Total
1985	44
1986	56
1987	422
1988	1025
1989	2303
1991	4122
1992	3966
1993	6556
1994	3883
1995	3393
1996	2976
1997	3494
1998	4735
1999	7637
2000	13360
2001	16300
2002	21470