Year	current US$
1960	374277898134.54535
1961	370793790796.4513
1962	378024447049.858
1963	417176909096.6741
1964	467330585917.3107
1965	508821522511.2508
1966	515907485182.49347
1967	538674886709.4397
1968	565733166061.2206
1969	621339557708.9609
1970	695501980133.4843
1971	757944022667.9026
1972	834345726725.5242
1973	1024437301780.6339
1974	1257640098114.5981
1975	1443097183232.2358
1976	1513028199892.6177
1977	1726908823695.656
1978	1888722989170.3215
1979	2203423926738.182
1980	2692836631652.297
1981	2976597539671.9243
1982	2858036114859.551
1983	2894925521565.732
1984	2984887234639.8125
1985	3070031487358.8228
1986	3191249746141.0845
1987	3212700059113.967
1988	3480800820635.349
1989	3520859427015.023
1990	3992301103365.683
1991	3876446279644.4414
1992	3992391922433.0464
1993	4375189260090.441
1994	4788287376183.866
1995	5402272771138.864
1996	5864677231327.478
1997	6212615635575.993
1998	6037630651073.491
1999	5856740066351.086
2000	6315650117796.593
2001	6437900416143.103
2002	6497765453950.6455
2003	7322350232870.762
2004	8661768549598.583
2005	10207400920177.463
2006	11977029878032.807
2007	14935665575298.158
2008	17976143138014.3
2009	17719278710975.496
2010	21330571125360.453
2011	25269449390323.934
2012	27026262999498.508
2013	28709058062528.324
2014	29842002463546.78
2015	27935260692315.25
2016	28185155883347.438
2017	31016281873780.86
2018	33050377599684.61
2019	33825121206658.188
2020	32626445219632.527
2021	38179167483709.87
2022	40252854640516.24