Year	constant 2010 US$
1960	12553115188.1538
1961	13076091096.3252
1962	13314577141.8756
1963	14038078890.7139
1964	14388611042.872
1965	14688200317.8445
1966	16175845224.467
1967	16919103213.7652
1968	17478063702.774
1969	18571853844.2304
1970	19016087022.5692
1971	20914943962.7621
1972	21164013708.5587
1973	20551711370.3084
1974	19858126214.1662
1975	18631122565.6098
1976	19251186284.0407
1977	21269568479.0154
1978	23352017339.481
1979	25466640648.6955
1980	27859544716.3866
1981	29367651443.4854
1982	26465459719.9414
1983	24264473416.717
1984	24627141545.1575
1985	25801932272.4989
1986	27787633741.9192
1987	29583014591.6143
1988	31250636024.8869
1989	34472687289.2698
1990	35720390689.8929
1991	38826843359.0763
1992	43513447647.9373
1993	46049914919.1895
1994	48421070535.8642
1995	53306731578.3672
1996	57358518976.3038
1997	61406024152.1412
1998	64281556854.2354
1999	65073666504.7591
2000	68174149542.3808
2001	71139381279.008
2002	73751405056.8263
2003	77516835135.2352
2004	83245375514.7682
2005	89150962490.286
2006	95738494880.907
2007	103154056132.34
2008	108596978277.179
2009	108239717892.755
2010	115340515751.715
2011	124438193128.768
2012	131817165286.015
2013	136998430653.383
2014	140585063333.475
2015	144515362641.466
2016	148214177851.46
2017	150890917485.487
2018	156648454103.817