Year	current US$
1960	1916229477.1365664
1961	1901856122.7223134
1962	2001489602.1847498
1963	2510110348.161844
1964	2674423922.4884195
1965	2956337669.295248
1966	3143517943.826318
1967	3188924677.089526
1968	3330371551.2116084
1969	3664552041.3429937
1970	3864145667.4136453
1971	4244395955.783583
1972	5043347250.418151
1973	7662902677.9026985
1974	9496204301.749805
1975	9298800799.467022
1976	11050234598.624868
1977	13139488632.554647
1978	16358079862.109583
1979	21213264962.01407
1980	24488224677.210487
1981	25004285791.78647
1982	26804493635.329742
1983	30347442110.93161
1984	33942897422.04654
1985	31199633352.959793
1986	27734111399.75254
1987	32181210157.967136
1988	35272109220.198845
1989	38847965292.91852
1990	44024585239.61366
1991	49143148094.26826
1992	59167550162.955986
1993	66894966968.973564
1994	74478356957.78082
1995	88705342902.71132
1996	100855393910.48573
1997	100005323301.8667
1998	72167498980.8398
1999	79148421052.63158
2000	93789736842.10527
2001	92783947368.42105
2002	100845526315.78947
2003	110202368421.05264
2004	124749473684.21053
2005	143534405818.50137
2006	162692258307.0555
2007	193549569477.73267
2008	230811614370.38364
2009	202257453036.6409
2010	255017638455.5897
2011	297951668674.83466
2012	314443047642.11096
2013	323276235524.41534
2014	338066095097.2544
2015	301355266964.9473
2016	301256033870.33356
2017	319109094160.3431
2018	358788845712.5297
2019	365177721021.5161
2020	337456163961.2112
2021	373832428055.4486
2022	407027451714.61597
2023	399648828546.5043