Year	current US$
1960	162089563.92380205
1961	191757729.41388333
1962	197738207.75797078
1963	253839557.94553646
1964	218914569.0989437
1965	230024160.5683362
1966	227534083.47925827
1967	238439290.89780983
1968	206576630.61297262
1969	221553612.91858226
1970	224125805.0088326
1971	251437337.9093905
1972	318664899.7305043
1973	404285775.1284814
1974	669894029.5720309
1975	673311287.08663
1976	713510051.5546002
1977	834722972.1949514
1978	1029040323.2899554
1979	1227446632.2103174
1980	1147027924.1166265
1981	1157769443.6056924
1982	1092923635.5440536
1983	1104956573.1060035
1984	1054564759.0394739
1985	1090611324.6556206
1986	1482601552.398748
1987	1906174437.990624
1988	2163252449.1287475
1989	2211312823.204433
1990	2689212760.181847
1991	2895354736.1833158
1992	3267677814.2398405
1993	3307302125.875275
1994	3606050873.0138974
1995	4094741652.3004847
1996	4481489761.54368
1997	4243755307.5523887
1998	4225813976.3635945
1999	4402193195.469448
2000	4726108622.476615
2001	4675755867.176569
2002	4906494249.382551
2003	5894873919.74797
2004	6667418752.073067
2005	6576108447.475309
2006	7028810680.890765
2007	8150150209.22501
2008	9990356673.734972
2009	9128843109.155876
2010	10003670690.349657
2011	11518413429.968351
2012	11668696396.788656
2013	12292974141.40443
2014	13074129952.053152
2015	12007291045.648907
2016	12594155464.413633
2017	13713506130.608124
2018	14735695930.972702
2019	14436346979.63554
2020	11408106446.31438
2021	11484348766.043383
2022	12927979286.045298
2023	14397127281.382942