Year	current US$
1960	539530000
1961	648390000
1962	578300000
1963	646000000
1964	758400000
1965	919500000
1966	1007800000
1967	1013100000
1968	1037400000.0000001
1969	1241360000
1970	1564620000
1971	1778840000
1972	2185330000
1973	3018690000
1974	4647240000
1975	3829620000
1976	4203180000.0000005
1977	4977940000
1978	5237590000
1979	6528890000
1980	9330030000
1981	9909940000
1982	9482650000
1983	8110390000
1984	7961810000
1985	7659650000
1986	9628710000
1987	14489340000
1988	17316620000
1989	18963584124
1990	25095842911
1991	26803441658
1992	30732738054
1993	24261883267
1994	27024177407
1995	33308844333
1996	34136762017
1997	35213630000
1998	36911456706
1999	39917441592
2000	39881621473
2001	39458667258
2002	40123972951
2003	47223052093
2004	54866231705
2005	63879012336
2006	70712319038
2007	82279573175
2008	94668422925
2009	71780787430
2010	77682643606
2011	82948160707
2012	72487388267
2013	75727588782
2014	78388725353
2015	66913922221.99999
2016	67953483710.99999
2017	78762648638
2018	89059912197
2019	89537792168
2020	77619549940