Year	Total
1990	929200000
1991	1130000000
1992	1230000000
1993	1095000000
1994	1270000000
1995	1067000000
1996	1234000000
1997	1205000000
1998	1349000000
1999	1363000000
2000	1466000000
2001	1585000000
2002	1584000000
2003	1594000000
2004	1618000000
2005	1620000000
2006	1675000000
2007	1773000000
2008	1845000000