Year	current US$
1960	59716249310.97416
1961	50056685957.35899
1962	47209186415.35554
1963	50706614526.14723
1964	59708125203.86431
1965	70436008642.42514
1966	76720005491.89641
1967	72881364882.49088
1968	70846276051.47272
1969	79705614854.76736
1970	92602634891.65894
1971	99800593790.98865
1972	113689308020.34328
1973	138543170458.06406
1974	144188970821.072
1975	163429530659.63803
1976	153939265947.7752
1977	174935933078.6625
1978	149540752829.26828
1979	178280594413.0435
1980	191087500000
1981	195783049099.20636
1982	205361295278.62595
1983	231563322095.78546
1984	261221374528.57144
1985	310328084153.0612
1986	300735081440.5797
1987	272793546177.13004
1988	312230327072.0164
1989	347942587323.8866
1990	361822783694.07263
1991	384152337595.8188
1992	427130409858.7127
1993	443808937179.7589
1994	563285859689.7483
1995	722711422468.7859
1996	851312277321.5623
1997	950598333545.8431
1998	1012416756142.5001
1999	1079533505535.5902
2000	1196666294912.704
2001	1320227796231.7092
2002	1455612429036.4202
2003	1650062101027.2153
2004	1950215158875.9956
2005	2269852493002.1626
2006	2746976328855.884
2007	3558368430352.971
2008	4622902194395.895
2009	5093159063347.92
2010	6061119730117.075
2011	7481168651253.95
2012	8512367896275.435
2013	9492643372933.547
2014	10488924466576.836
2015	11008790517157.076
2016	11177613255021.688
2017	12294360421956.41
2018	13833878513962.531
2019	14239959159195.674
2020	14570138553468.041
2021	17696312719649.246
2022	17770852261279.906
2023	17663711932160.34