Year	Total
1990	250000
1991	333000
1992	440000
1993	560000
1994	875000
1995	1100000
1996	1430000
1997	1800000
1998	2300000
1999	2600000
2000	2900000
2001	3100000
2002	3300000
2003	3513000
2004	3740000
2005	3966000