Year	Total
1984	38
1985	239
1986	549
1987	833
1988	1272
1989	1772
1990	3138
1991	4336
1992	5875
1993	8365
1994	12390
1995	15910
1996	20940
1997	26320
1998	35000
1999	41270
2000	58940
2001	76050
2002	89700