Year	constant 2010 US$
1970	119451643159.097
1971	122192716135.542
1972	123826407009.153
1973	131033636642.47
1974	129573307610.585
1975	132037179447.287
1976	140740121708.903
1977	143374688282.073
1978	147905211079.155
1979	151370847650.503
1980	150599698617.106
1981	150613567564.444
1982	153672381680.543
1983	155573138693.919
1984	158306388161.609
1985	164251365780.151
1986	172635322252.993
1987	170690469099.363
1988	168520867876.051
1989	168390001911.425
1990	168455790507.772
1991	171209487782.435
1992	174532523126.025
1993	175941821543.987
1994	184924454243.587
1995	188314522832.644
1996	193298275716.451
1997	197464294128.368
1998	202575534643.475
1999	204564306130.341
2000	207090588230.064
2001	208731213577.344
2002	212238812604.739
2003	214268301898.534
2004	221908136004.587
2005	228217084587.243
2006	234628272204.763
2007	238328080617.702
2008	241728106399.719
2009	238838031142.899
2010	241425834470.557
2011	241295501926.984
2012	242743028853.634
2013	243094375519.53
2014	246188928846.077
2015	251283099887.537
2016	254843863213.062
2017	258969341625.067
2018	263423051790.739