Year	current US$
1960	431718640.09090906
1961	487862917.5714286
1962	518185884.0926276
1963	443816051.8187423
1964	510567876.6363242
1965	540455932.6575863
1966	663661018.0991951
1967	607426261.661405
1968	552092153.8103548
1969	573464813.7618937
1970	620094154.1230714
1971	881194751.9043329
1972	982579802.1118312
1973	1121355431.1018674
1974	922156212.9866099
1975	501723615.59109956
1976	872456980.364967
1977	1372897773.492207
1978	1215522806.2392166
1979	1585046996.3445308
1980	2097821479.7435896
1981	2230928149.974359
1982	1228006835.1243546
1983	1198826430.6727827
1984	1405837453.6693158
1985	1323287004.9395914
1986	1619409365.08986
1987	1956643435.4175634
1988	2208867129.0583544
1989	2486236953.116721
1990	2729404330.823331
1991	3503124607.766981
1992	4230025882.684802
1993	3959581195.333825
1994	4276155534.1521754
1995	5143366648.112736
1996	3944575040.7356243
1997	4292687014.1630344
1998	4422731284.948495
1999	4001168363.3559265
2000	3981980097.3230467
2001	2907666723.964429
2002	2856256828.49337
2003	3132199281.26328
2004	3723538914.513258
2005	4796635560.937398
2006	5710740845.092861
2007	6124418276.416663
2008	6160368529.6041565
2009	6350847068.219027
2010	7549658854.292391
2011	9115592752.359604
2012	8744884160.752743
2013	9634970145.294006
2014	10243887114.018385
2015	8993463864.828222
2016	10470213679.081429
2017	11822085480.008406
2018	11619616214.615694
2019	11097485442.744057
2020	10277089708.028788
2021	11054886001.585413
2022	10459746070.9988
2023	11811688862.827408