Year	constant 2010 US$
1990	52797860757.6322
1991	50394975048.5225
1992	49827276614.4879
1993	45146314739.6851
1994	34514690675.6633
1995	27049682429.7374
1996	25788714361.6337
1997	26705036395.1137
1998	26590803802.4239
1999	28216547434.9457
2000	28648589751.4046
2001	31166578706.6299
2002	31965537267.1186
2003	35724651361.3663
2004	40656133634.9388
2005	44998962355.1293
2006	50650470812.0334
2007	56128566744.9
2008	60018015533.9246
2009	60422761649.9793
2010	67184600454.6843
2011	75179567908.7917
2012	82899651577.7296
2013	91486297820.6496
2014	92852933401.5397
2015	94523418502.5016
2016	95674000489.0192
2017	97109110496.6399