Year	constant 2010 US$
1970	149346159146.171
1971	152060561070.043
1972	155806421500.425
1973	165850739899.45
1974	162049225872.699
1975	159237563510.444
1976	173790890057.476
1977	175981116894.778
1978	180028715833.27
1979	184890670910.327
1980	179088650133.577
1981	174422638389.424
1982	180243151095.958
1983	183069749247.654
1984	190884189844.552
1985	200515995963.781
1986	214647919880.158
1987	211225134799.945
1988	207777278930.313
1989	209072247436.245
1990	208919689015.527
1991	210092326293.657
1992	214157350319.83
1993	212496277165.578
1994	226413943626.285
1995	235893902552.864
1996	241379071225.046
1997	252472628832.297
1998	260817645568.382
1999	259965238728.146
2000	268997835199.566
2001	269726132741.829
2002	272500811244.516
2003	274120455363.771
2004	285806643759.196
2005	295650395842.872
2006	310670110195.899
2007	316401897200.873
2008	316056773780.577
2009	297385792330.294
2010	299629894693.794
2011	302674128634.487
2012	305530242751.03
2013	308010472833.31
2014	313889839662.522
2015	322531260696.203
2016	330530264976.907
2017	337665660575.295
2018	347981668096.531