Year	Total
1990	200000
1991	230000
1992	300000
1993	350000
1994	500000
1995	700000
1996	950000
1997	1240000
1998	1450000
1999	1700000
2000	1941000
2001	2100000
2002	2330000
2003	2540000
2004	2750000
2005	2960000
2006	3180000