Year	constant 2010 US$
1992	739161466.92967
1993	750741414.658445
1994	954668761.962826
1995	978580601.781689
1996	1214691176.87936
1997	1244017006.97053
1998	1310263312.04898
1999	1333799191.09861
2000	903246832.16562
2001	1035232957.68761
2002	1054766918.87148
2003	1239394376.11742
2004	1222075052.77748
2005	953320867.403846
2006	583233580.835563
2007	409235978.993846
2008	368390841.480091
2009	444066063.719754
2010	494229450.406504
2011	546421012.271946