Year	current US$
1970	-11818470.494839905
1971	-55318867.71670888
1972	-95890231.56140247
1973	-182430950.87497362
1974	-471182273.26266193
1975	-164187406.1783993
1976	-1035863312.111682
1977	-2252386146.032803
1978	-892188951.0091918
1979	-1150219248.584663
1980	-2821893214.2097425
1981	-1701430793.1570761
1982	-451971444.70436394
1983	-1093201317.6037996
1984	-729462898.012519
1985	-166888135.14232507
1986	-18983325.822442543
1987	-51297344.362211585
1988	-560956201.9391508
1989	-676115444.6177847
1990	-155711000.84714994
1991	-1507541543.9010017
1992	-2574313799.14851
1993	-642064355.8499941
1994	-3399090471.0275874
1995	-2869127883.17183
1996	-3760709643.878347
1997	-1726846318.6379523
1998	-491318363.7172077
1999	986216236.0424732
2000	2628000966.3529468
2001	3354580395.472445
2002	7912466377.529426
2003	7221565487.21175
2004	8869135468.583035
2005	10132965977.649801
2006	12089357488.517649
2007	17079349582.458899
2008	19114143977.64062
2009	13469372004.57421
2010	13747376918.500027
2011	12063672510.01948
2012	11443497069.410158
2013	12114920098.380426
2014	14470854213.231321
2015	14326995719.964836
2016	15163377190.552567
2017	13199895268.211788
2018	13653369374.196068
2019	16134639072.705856
2020	15059661523.159575
2021	4403365829.224735
2022	2264812767.0039
2023	14630624172.666958