Year	current US$
1960	583985305578.9523
1961	603830238846.6471
1962	647165734354.8707
1963	683502859395.8492
1964	735037602619.2192
1965	797993589415.2917
1966	875075316160.8673
1967	926144683349.806
1968	1013227299358.251
1969	1097432116893.7675
1970	1161733107846.943
1971	1261595888711.913
1972	1393043138086.288
1973	1562428363219.8706
1974	1712571917703.5942
1975	1857107103341.9805
1976	2074026428513.8154
1977	2291480847815.541
1978	2564867533302.815
1979	2852710415707.6416
1980	3115861296279.2065
1981	3500676066974.8228
1982	3676918556297.521
1983	3947714929152.2466
1984	4379930285050.0884
1985	4667152777885.417
1986	4884966190732.602
1987	5251000288709.48
1988	5751485925579.063
1989	6148736524793.083
1990	6479728023890.682
1991	6691939937740.552
1992	7011807051568.332
1993	7296609129722.822
1994	7733253986741.727
1995	8163928231999.615
1996	8660116093494.232
1997	9229018873684.203
1998	9753241613053.918
1999	10351160084286.496
2000	11114926551970.941
2001	11471838678894.115
2002	11802749180463.752
2003	12417674520144.012
2004	13331963716383.229
2005	14325918940751.727
2006	15376346381135.016
2007	16011268540294.371
2008	16260626256815.771
2009	15793929425729.043
2010	16777320575651.188
2011	17627886042319.65
2012	18442882486603.492
2013	18965943427757.133
2014	19767466989702.316
2015	20147695277013.94
2016	20499792719731.453
2017	21472876851163.23
2018	22586840018536.098
2019	23491317301061.66
2020	23130366561920.867
2021	25775412432517.516
2022	28067591643142.402
2023	29643200460693.492