Year	current US$
1960	326647514998.481
1961	322098726641.68286
1962	327041835204.8084
1963	361188678549.8145
1964	409917161582.3879
1965	449606624512.9091
1966	455110460848.84155
1967	474061106039.6313
1968	500737527389.4032
1969	557158810956.0714
1970	606864433924.8545
1971	658436487864.558
1972	741446464309.9623
1973	935257264659.1503
1974	1166117926870.0498
1975	1283182211382.141
1976	1384184182987.909
1977	1572414965445.1055
1978	1688541859448.7253
1979	2054980853162.8047
1980	2495337530229.9053
1981	2679716239809.967
1982	2598534706334.6484
1983	2671753233490.0737
1984	2773573376450.6196
1985	2856094151218.432
1986	2906164344615.231
1987	2962762817058.326
1988	3156451762787.7744
1989	3174083997481.794
1990	3560303900038.582
1991	3448774162440.419
1992	3624577197344.4194
1993	3934211426064.52
1994	4339185750582.639
1995	4916948102663.378
1996	5368909819962.314
1997	5694529340364.155
1998	5541398163455.249
1999	5397562849862.582
2000	5873248460100.095
2001	5954917913637.388
2002	6043651266693.341
2003	6788178855352.029
2004	8085419494002.8955
2005	9657998889452.795
2006	11453342785003.838
2007	14221824723609.959
2008	17060926940839.871
2009	16541826277696.307
2010	20111983284711.48
2011	23807285173177.438
2012	25304734948065.89
2013	26693510662628.863
2014	27592783808400.58
2015	25838353087075.67
2016	26027770587219.094
2017	28745223958869.035
2018	30579316565085.14
2019	31246593993598.37
2020	30103859045527.824
2021	35740404315658.11
2022	37733201523901.39
2023	38733043068564.87