Year	Total
1990	1300000000
1991	1100000000
1992	1189000000
1993	1386000000
1994	1752000000
1995	2017000000
1996	1980000000
1997	2374000000
1998	2883000000
1999	3241000000
2000	3252000000
2001	2877000000
2002	3306000000
2003	3014000000
2004	3074000000
2005	3164000000
2006	3201000000
2007	3210000000
2008	3106000000