Year	current US$
1970	829999.99821186
1971	630000.0175833707
1972	1509999.9811500313
1973	2249999.9906867743
1974	3880000.0362098212
1975	7030000.017955907
1976	17120000.105351202
1977	30710000.049322847
1978	29239999.547600746
1979	30050000.041723244
1980	32370000.170543753
1981	46210000.18715867
1982	54849998.77214436
1983	53640000.32842155
1984	46970000.378787555
1985	64699999.4534999
1986	84619999.44038683
1987	80440001.63115565
1988	112729999.80859458
1989	115330000.00752518
1990	131379998.318851
1991	158019999.83564025
1992	165700000.43883932
1993	131739999.34084713
1994	182249998.2919544
1995	206500000.24959445
1996	218669999.5864181
1997	218169999.1654605
1998	213290000.85778534
1999	197549997.8046865
2000	205570000.1660735
2001	213809998.73951095
2002	328210000.74036425
2003	443230001.74947083
2004	433930005.30824053
2005	517440006.27473015
2006	582790005.6485085
2007	643099994.7022647
2008	746719997.1396482
2009	658620001.427829
2010	747830000.0187006
2011	782549990.9818169
2012	731909994.8965013
2013	859729999.1790205
2014	866139998.5868483
2015	695479994.734749
2016	754489996.299148
2017	882670003.6451217
2018	893939996.5181953
2019	869689991.9658899
2020	848709998.0935452
2021	872489997.7985767
2022	1356059988.5359404