Year	constant 2010 US$
1960	120764863189.279
1961	126777048990.526
1962	133384673232.843
1963	139189019707.401
1964	148871960992.012
1965	154172785119.867
1966	159038316308.665
1967	165190152085.361
1968	172118441191.469
1969	183529549253.245
1970	193792194112.927
1971	201516416339.207
1972	212187928649.521
1973	225729130101.243
1974	236034247405.179
1975	231393952028.372
1976	244474064111.729
1977	246004850188.709
1978	252996053674.129
1979	258918876001.746
1980	270425370783.419
1981	269670117075.018
1982	271274619027.925
1983	272120569190.649
1984	278832103764.379
1985	283437832457.532
1986	288604229888.201
1987	295261346642.314
1988	309207156851.693
1989	319934068909.916
1990	329971688233.146
1991	336020314461.245
1992	341163625451.89
1993	337882064409.106
1994	348785422253.304
1995	357103107688.388
1996	362793178046.024
1997	376254327310.336
1998	383686379912.252
1999	397358416752.966
2000	411796974445.816
2001	415138927919.38
2002	422530458033.305
2003	425802561758.374
2004	441279859459.925
2005	450521432006.845
2006	461812130895.081
2007	477739922304.462
2008	481481381660.697
2009	470632780159.007
2010	483548031197.108
2011	492243705517.819
2012	493399388894.948
2013	494389453126.263
2014	500592443806.033
2015	509300652082.47
2016	516698510031.562
2017	525660075541.229
2018	533218198385.386