Year	constant 2010 US$
1960	31763573750.6805
1961	28232318885.4568
1962	20704810225.5484
1963	26093199681.1076
1964	27095148992.3694
1965	28143668680.6807
1966	26536382113.1975
1967	29403291968.5847
1968	32811343864.4762
1969	36017596558.0007
1970	38441726960.2637
1971	34515103860.4688
1972	44175746436.9409
1973	45632850694.9699
1974	49117178056.4347
1975	51270598758.4377
1976	55152619605.4145
1977	58082788639.1894
1978	63146490983.4791
1979	66783894220.7228
1980	67446251517.0682
1981	69345328233.364
1982	73869557222.7811
1983	78272648344.9379
1984	82529569531.1727
1985	85639974240.5727
1986	86822086134.9184
1987	86265488683.3192
1988	84472041155.6
1989	88238359277.3075
1990	88840434717.2594
1991	86204365833.5368
1992	88301641794.0491
1993	87506020363.7406
1994	86183829758.0797
1995	88408529861.4115
1996	91644036637.1318
1997	93444220968.5191
1998	99051777751.3335
1999	101467012415.467
2000	103962939350.608
2001	110000476724.251
2002	114906248759.241
2003	123300381652.977
2004	127609516514.452
2005	132712464157.817
2006	136297359198.861
2007	146501150614.748
2008	151573549621.852
2009	153741266278.288
2010	160819911155.325
2011	163394097235.904
2012	166633605886.513
2013	170487260457.675
2014	176987040238.978
2015	182846575671.981
2016	193661942539.407
2017	195147772553.478