Year	Total
1984	600
1985	593
1986	726
1987	898
1988	900
1989	1048
1990	1228
1991	1205
1992	1252
1993	1226
1994	1367
1995	1712
1996	20040
1997	28220
1998	37390
1999	43830
2000	77270
2001	229300
2002	251000