Year	current US$
1960	113500000
1961	125600000
1962	137250000
1963	141150000
1964	157600000
1965	185350000
1966	198900000
1967	211550000
1968	224000000
1969	218600000
1970	212000000
1971	206500000
1972	224998987.50455624
1973	255499872.25006387
1974	275000000
1975	277000000
1976	344000000
1977	449000000
1978	1219942988.35
1979	1284751779.4
1980	1387292458.55
1981	1331978389.8999999
1982	1270584671.6000001
1983	1266751975.8999999
1984	1264003464.25
1985	1310986767.5
1986	1401837409.5500002
1987	1461769227.9
1988	1488069018.0686696
1989	1334516571.0344827
1990	1190943616.0992217
1991	1113818026.2192714
1992	1121458375.0159152
1993	1048762373.1986926
1994	980287888.8783181
1995	1098406538.0604796
1996	1056281545.6081082
1997	1085351520.9125476
1998	1165928870.0147712
1999	873541616.7247387
2000	1032901242.3668141
2001	1007351313.9807422
2002	957403691.0984921
2003	955885759.8090233
2004	1079456169.711514
2005	1216789712.081482
2006	1294439309.6916425
2007	1472355266.7093585
2008	1686654050.480333
2009	1579102518.6423993
2010	1835973347.5874698
2011	2518340243.9966884
2012	2513638169.9547486
2013	2255325657.2157927
2014	2477143403.5994773
2015	2562886830.476403
2016	2616949984.449322
2017	2931308969.644763
2018	2794304482.7351923
2019	2646979487.4349713
2020	2846185773.9853187
2021	3065776645.415442
2022	3919855995.3383737
2023	4121098071.198241