Year	Total
1990	100000
1991	120000
1992	200000
1993	280000
1994	350000
1995	400000
1996	450000
1997	590000
1998	660000
1999	750000
2000	870000
2001	950000
2002	1100000
2003	1274000
2004	1476000
2005	1456000
2006	1845000