Year	constant 2010 US$
1960	19887082740.8883
1961	18915653124.7368
1962	17234792041.304
1963	19688441842.9541
1964	21069477176.0513
1965	22319162822.7478
1966	25717923870.4376
1967	27821324672.275
1968	30809295353.314
1969	34033120464.3006
1970	37787717468.717
1971	42819765170.2199
1972	51138902258.2211
1973	59055395341.493
1974	64286444988.7512
1975	94755692004.0974
1976	113404975231.58
1977	122238946226.158
1978	120853278139.478
1979	127624669937.362
1980	121078933064.411
1981	115938034434.381
1982	116286809647.448
1983	114550851768.207
1984	116963069861.606
1985	114852505075.133
1986	118911876469.306
1987	105699720500.535
1988	104888316031.888
1989	102842551174.964
1990	100424115588.227
1991	105214171707.198
1992	111856970184.955
1993	113069303219.806
1994	123811669851.886
1995	126583245951.65
1996	126686138956.023
1997	129557719933.288
1998	129892411662.024
1999	135258478943.769
2000	133895897553.246
2001	143190790352.101
2002	148457265199.773
2003	152727132748.58
2004	157226531893.175
2005	167068714511.821
2006	175782499676.378
2007	173080456252.396
2008	180339938066.903
2009	189549748852.248
2010	190555001600.09
2011	195052238901.414
2012	201355209169.705
2013	202013371184.404
2014	209500913915.992
2015	219120168458.574
2016	224823696117.698
2017	230977119028.684