Year	constant 2010 US$
1990	731518396.47707
1991	869632981.041244
1992	865762514.641935
1993	702836193.979137
1994	755148619.507078
1995	770834202.147255
1996	755026395.577976
1997	777882527.910764
1998	803468354.706608
1999	810679649.525078
2000	818909483.764343
2001	724173345.38674
2002	724373693.715635
2003	801421936.770773
2004	854857698.206116
2005	859522952.150391
2006	854857698.206116
2007	874577698.007376
2008	1071233893.41297
2009	1100370264.6723
2010	952083880.099988
2011	969542805.903716
2012	813958017.921647
2013	883765099.946714
2014	911355926.954572
2015	928271050.151298
2016	924722022.610868
2017	800277089.177086
2018	760407771.726935