Year Total 1990 2233000000 1991 2427000000 1992 2404000000 1993 2490000000 1994 2585000000 1995 2553000000 1996 2629000000 1997 2684000000 1998 2690000000 1999 2386000000 2000 2601000000 2001 2675000000 2002 2704000000 2003 3009000000 2004 3013000000 2005 2952000000 2006 3056000000 2007 3022000000 2008 3183000000