Year	Total
1984	8633
1985	11790
1986	14120
1987	18840
1988	22790
1989	26660
1990	31390
1991	36150
1992	40160
1993	47340
1994	60590
1995	96560
1996	114000
1997	130000
1998	46520
1999	133100
2000	172200
2001	190000
2002	203700