Year	Total
1990	500000
1991	800000
1992	1100000
1993	1400000
1994	2000000
1995	2800000
1996	4500000
1997	7500000
1998	11200000
1999	15500000
2000	20600000
2001	25000000
2002	35500000
2003	50410000
2004	52990000
2005	63520000
2006	74110000