Year	current US$
1960	683299966.6800133
1961	728954788.4180846
1962	744173062.3307751
1963	808089756.7640973
1964	876571989.3712043
1965	949619620.152152
1966	1022699590.9201636
1967	1071793009.4572407
1968	1025279179.7766562
1969	1129799096.160723
1970	1343640537.456215
1971	1450644931.2081382
1972	1842310999.92182
1973	1875554078.0141845
1974	2431992431.992432
1975	2882112992.1129923
1976	2892842856.042856
1977	3156233139.73314
1978	2502027787.919828
1979	2258064197.536461
1980	2467379371.624883
1981	2816827966.5659976
1982	3118296312.043202
1983	3464376353.6911225
1984	2107227326.4407766
1985	1818468420.5867782
1986	2473873562.045429
1987	2943747858.2170196
1988	3493142810.1099124
1989	4054837979.459817
1990	4162207448.331541
1991	3667407644.9286575
1992	3241559448.265049
1993	5244175677.544386
1994	5100558944.491607
1995	6206820647.714536
1996	7169191917.64083
1997	8108141726.861755
1998	8479095622.435021
1999	8554557999.987552
2000	8655164475.627941
2001	8756927829.98614
2002	9113709498.82582
2003	8858834812.58008
2004	9592121830.737354
2005	10567650122.513847
2006	11314546940.64349
2007	12138005200.64686
2008	13141139947.888704
2009	11452543825.457266
2010	12725932639.270548
2011	13926261521.205637
2012	14607486110.222532
2013	13930605100.507946
2014	13600817680.578175
2015	13748936919.54244
2016	13482096678.14013
2017	14387985134.19444
2018	15134792874.465315
2019	15389266532.313787
2020	13358021834.439207
2021	14238986158.82681
2022	16750960687.661272
2023	18894134503.85626