Year	current US$
1970	33599999.427795455
1971	34099999.72581856
1972	41739999.771118104
1973	50619999.885559015
1974	82310000.00238419
1975	97480000.49591064
1976	66430000.05930668
1977	65779997.76601788
1978	82639998.73399734
1979	70239999.85307448
1980	111339999.269694
1981	131089998.64757064
1982	145399998.99268147
1983	135740000.33736226
1984	153539999.3136525
1985	134560001.04732803
1986	175069999.307394
1987	204249998.97740784
1988	237989997.52663082
1989	239359997.65433413
1990	308809999.6745585
1991	307900002.8446318
1992	196740001.02654088
1993	222500003.75695527
1994	273460004.47496784
1995	233709995.63857874
1996	229110002.8976796
1997	130010001.03726979
1998	123819998.44312666
1999	126019998.2523918
2000	57680000.59202306
2001	43330001.20148059
2002	104460000.54292372
2003	-6719998.987391573
2004	101719999.3468821
2005	93590000.15258797
2006	156960001.06632712
2007	186840003.207326
2008	162829998.74651426
2009	229830002.74747613
2010	207410001.2406706
2011	240909997.28441262
2012	218130000.91165298
2013	224850003.33189958
2014	242569994.65636912
2015	199070000.97259867
2016	87170001.98736787
2017	211890001.30072227
2018	214920000.30353665
2019	160619998.3283877
2020	431289985.8243764
2021	102120003.60712409
2022	223350000.30137616
