Year	Total
1993	7898000000
1994	7932000000
1995	6784000000
1996	6062000000
1997	5432000000
1998	5410000000
1999	5467000000
2000	4766000000
2001	5271000000
2002	5341000000
2003	5676000000
2004	5853000000
2005	6230000000
2006	6711000000
2007	6960000000
2008	7426000000