Year	Total
1990	1286000000
1991	1299000000
1992	1184000000
1993	863200000
1994	950200000
1995	1161000000
1996	1093000000
1997	1082000000
1998	1111000000
1999	1147000000
2000	1189000000
2001	1239000000
2002	1317000000
2003	1421000000
2004	1467000000
2005	1572000000
2006	1728000000
2007	1794000000
2008	2031000000