Year	constant 2010 US$
1960	20025808448.2598
1961	21077698883.5047
1962	23171509053.7196
1963	23841196689.2632
1964	25572192147.3257
1965	26440177940.4842
1966	27977030621.5683
1967	30093810658.8242
1968	31512577123.6475
1969	33655517799.5828
1970	39535390264.1768
1971	41956232802.7275
1972	43813782710.9347
1973	44615158937.2474
1974	45345234549.6815
1975	44952103234.7541
1976	46895889546.2809
1977	47653703053.391
1978	50745411467.6636
1979	53420340233.7273
1980	55162315580.7844
1981	56603797068.8513
1982	58455301538.4752
1983	58420451363.113
1984	57447846979.281
1985	58723078906.309
1986	59179509519.3431
1987	59546325395.7317
1988	59499917764.2545
1989	58969697239.1015
1990	58061103381.4449
1991	59024995221.4364
1992	59411725483.7462
1993	61941919337.8466
1994	63211461440.3257
1995	64573996612.7763
1996	66542853713.7218
1997	66882287309.4687
1998	68946982392.6601
1999	71202108791.2234
2000	73289918786.6449
2001	74684992643.2347
2002	76276365446.7623
2003	76461462551.6196
2004	77627165356.0808
2005	78563497108.4134
2006	80558136226.8462
2007	81525228593.1464
2008	84177575868.0316
2009	86725728230.8646
2010	88116712526.0598
2011	87563554895.6939
2012	88226952876.6953
2013	88139116210.2212
2014	89845707960.8646
2015	91357423220.7074
2016	91496646115.1389
2017	92160044096.1402
2018	92953241199.6639