Year	constant 2010 US$
1970	196962269.303639
1971	202853849.06386
1972	221813632.428347
1973	233186638.434534
1974	236977547.947563
1975	248355532.139659
1976	257835295.136245
1977	261626164.699822
1978	271106205.405627
1979	280818326.760918
1980	306752325.351457
1981	281510464.569051
1982	312574683.365186
1983	314516877.527403
1984	311605876.961422
1985	316751072.400552
1986	332606589.921013
1987	354663379.950988
1988	348388125.415172
1989	351619132.468269
1990	404534300.897431
1991	392205738.14682
1992	416003126.510771
1993	442978643.623048
1994	410019356.974784
1995	431626800.899393
1996	424366138.904658
1997	519099821.177993
1998	544574239.097892
1999	691890605.76788
2000	560045680.895534
2001	541745004.406215
2002	569860843.750362
2003	721448226.874385
2004	735149711.122871
2005	751029430.02113
2006	762484782.016083
2007	837511463.476184
2008	725680857.474113
2009	710671871.739156
2010	648128219.158168
2011	590659915.121429
2012	607013996.22955
2013	591790618.009581
2014	752369169.746597
2015	734252623.427385
2016	765568902.441182
2017	801555649.328353
2018	848390.040299778