Year	Total
1990	1762000000
1991	1836000000
1992	1796000000
1993	1557000000
1994	1541000000
1995	1544000000
1996	1606000000
1997	1720000000
1998	1743000000
1999	1886000000
2000	1767000000
2001	1818000000
2002	1811000000
2003	1895000000
2004	2066000000
2005	2141000000
2006	2350000000
2007	2464000000
2008	2705000000