Year	Total
1985	306
1986	622
1987	887
1988	1316
1989	1816
1990	3202
1991	4411
1992	5986
1993	8473
1994	16080
1995	28950
1996	39060
1997	49920
1998	67720
1999	80430
2000	115900
2001	150400
2002	177300