Year	Total
1990	680000
1991	900000
1992	1300000
1993	1600000
1994	2100000
1995	2400000
1996	2900000
1997	3200000
1998	3500000
1999	4300000
2000	5700000
2001	6900000
2002	8353000
2003	10000000
2004	11210000
2005	14000000
2006	15000000
