Year	Total
1990	2903000000
1991	2683000000
1992	2699000000
1993	2952000000
1994	2903000000
1995	4611000000
1996	2290000000
1997	2593000000
1998	2951000000
1999	2763000000
2000	2663000000
2001	2576000000
2002	2491000000
2003	2680000000
2004	2822000000
2005	2962000000
2006	2717000000
2007	2797000000
2008	2862000000