Year	current US$
1971	25187106741.616055
1972	28422867876.304646
1973	38168286430.88895
1974	58462814240.32386
1975	54871534666.5489
1976	61162444327.145454
1977	70010540134.26523
1978	77768880284.52669
1979	102459645509.24371
1980	129010136745.6861
1981	137128700752.35919
1982	130230462336.26721
1983	131154996276.89996
1984	137804282012.38385
1985	136614976396.85922
1986	127798971547.70607
1987	135561032382.93832
1988	161319044360.36462
1989	178869641493.8923
1990	198906269338.82333
1991	201876670928.4166
1992	214681950632.9939
1993	226035661942.47647
1994	266816107828.48764
1995	316396038025.0247
1996	347338897434.70575
1997	380245531596.0707
1998	384888332546.158
1999	405549675862.13837
2000	477207208919.8471
2001	470463704942.0185
2002	477104916487.8293
2003	521782333373.9648
2004	626231915759.1399
2005	743853728818.7043
2006	869693576016.949
2007	977145633493.8132
2008	1122207903153.985
2009	901969808247.8759
2010	1168167934495.991
2011	1367548011742.464
2012	1371767785378.7607
2013	1368138031296.4329
2014	1341887016177.9583
2015	1185265786989.2253
2016	1175950353981.869
2017	1293573529929.1729
2018	1384300754518.304
2019	1377670730869.6335
2020	1201404024008.901
2021	1517310384644.4246
2022	1780560476359.623
2023	1795531619020.4214