Year	current US$
1960	20546835435.65837
1961	21701887860.393284
1962	22144205926.058563
1963	25212696700.104904
1964	29428951059.779346
1965	30074277349.133545
1966	25506093993.778
1967	29558892338.107925
1968	30732467036.52845
1969	33432967630.37057
1970	35052335078.74526
1971	35547578394.31164
1972	36236570741.63349
1973	44170574357.54739
1974	51239663986.68443
1975	53752574408.41071
1976	46922663816.09073
1977	55365484007.73095
1978	61870842257.5709
1979	66653576004.95287
1980	79508792927.54582
1981	82087927200.30247
1982	83045908589.04759
1983	88335339225.15025
1984	85110238247.53764
1985	88436330619.16861
1986	90550777899.8038
1987	98263305543.487
1988	107351695010.59402
1989	105548311797.13824
1990	112635347359.99625
1991	100302272947.30847
1992	103778901221.946
1993	101323830420.4938
1994	113483257550.43108
1995	118783883290.76967
1996	130898398861.36281
1997	134118779069.36107
1998	135639704710.64874
1999	139679448881.5159
2000	145645769589.44617
2001	147181245452.67966
2002	140277856045.53534
2003	162469468380.11703
2004	174845938191.94272
2005	196593658105.57108
2006	212448391545.16693
2007	264929236895.5066
2008	270693853720.75308
2009	296349230680.3231
2010	364657268826.745
2011	407677718229.56635
2012	405263154214.8605
2013	420409318019.82294
2014	450603844064.7239
2015	456768897336.76245
2016	499099929169.91
2017	571022588759.5204
2018	569711990817.7513
2019	602834523253.6041
2020	630908336505.6642
2021	699072467457.8799
2022	713901678267.2806
2023	715282520365.0773