Year	constant 2010 US$
1960	15486918038.5847
1961	16507065735.3694
1962	16449288998.1886
1963	17544323844.8516
1964	20799095774.0795
1965	25742668926.996
1966	28664807513.9359
1967	32657093642.5735
1968	40360632282.7047
1969	43794785035.5634
1970	47882756177.8446
1971	48484727695.7116
1972	64934715113.7016
1973	67698578896.1224
1974	102058309676.984
1975	137971841002.655
1976	179042557177.627
1977	182368630406.722
1978	147985383056.349
1979	98452819194.5023
1980	113411064712.318
1981	98199858353.9942
1982	91459987536.5358
1983	119183550359.109
1984	91316438985.3523
1985	82413962176.4982
1986	79263022816.2043
1987	78552057196.8782
1988	51001995741.5667
1989	61331951984.5861
1990	76089011046.3356
1991	99205916855.8697
1992	91851826791.5222
1993	66751903620.0109
1994	46292749995.4591
1995	59618618447.638
1996	76537338686.4354
1997	74367241035.7127
1998	75350035481.9553
1999	78157323363.4795
2000	81566372141.1263
2001	93613119325.7332
2002	110778124111.408
2003	130738930369.862
2004	137893687612.119
2005	133179342066.272
2006	139834731866.141
2007	158008150214.823
2008	173292883573.026
2009	178757166151.835
2010	196106138602.95
2011	187621255321.987
2012	169591841844.209
2013	160123591477.275
2014	168192307792.969
2015	144687139221.204
2016	153190732311.799
2017	166834678019.822