Year	Total
1984	17380
1985	19970
1986	19680
1987	21200
1988	22540
1989	24080
1990	26510
1991	27670
1992	28930
1993	30730
1994	35030
1995	37480
1996	43320
1997	48210
1998	57710
1999	63360
2000	80720
2001	95170
2002	107300