Year	Total
1990	8000
1991	10000
1992	12000
1993	14000
1994	16000
1995	18000
1996	50000
1997	75000
1998	100000
1999	125000
2000	150000
2001	175000
2002	204000
2003	300000
2004	396000
2005	492000