Year	constant 2015 US$
1960	1156367.302063207
1961	1411982.8630128193
1962	1740643.529822486
1963	2081461.1437137765
1964	2239708.302515518
1965	2544008.064539061
1966	2787457.2762824707
1967	2921352.932422668
1968	2945695.0329596335
1969	2957870.7842904055
1970	2921352.932422668
1971	3651691.165528328
1972	5234087.536549083
1973	6938213.214503831
1974	9616116.935183069
1975	13998155.735941643
1976	21666707.183551192
1977	23005654.34282845
1978	25561838.158698324
1979	36760360.867026776
1980	45037530.64293249
1981	54264136.361025736
1982	65241126.210006125
1983	72248717.70178388
1984	85895092.9465743
1985	97529864.83327828
1986	107290351.39138314
1987	121231332.8077558
1988	167448961.7151906
1989	200902642.37814325
1990	209854649.6457605
1991	297247960.82235277
1992	335846340.3698748
1993	362069912.43353075
1994	397640151.00010633
1995	459880271.5509024
1996	551444577.4976964
1997	603578521.6807525
1998	829664338.2809277
1999	825404025.649564
2000	877744940.5919229
2001	1010788234.4034555
2002	1211022663.6143837
2003	1243766168.7878087
2004	1259468442.326005
2005	1280301452.3213441
2006	1402670087.309019
2007	1616591382.419264
2008	1747669667.7144308
2009	1790624161.6736114
2010	1859937283.3660173
2011	1912215293.8563635
2012	2083459828.5526881
2013	1926075836.4919581
2014	1907347027.642011
2015	2048938857.024934
2016	2077815447.9650111
2017	2081988449.97259
2018	2105625213.401358
2019	2079755757.5111048
2020	2067845687.3631
2021	2058933335.4873433
2022	2043836285.8945036