Year	current US$
1970	2898319992.6391244
1971	3123939999.0197263
1972	2938739996.396005
1973	2834570009.572432
1974	3345669994.3076825
1975	3582340009.1603413
1976	3483160001.50144
1977	3432799995.4484406
1978	4672319986.036047
1979	5458629985.570908
1980	6098660016.689449
1981	6817620009.787382
1982	6693559997.035192
1983	6980020031.420514
1984	7328820011.060687
1985	7531570029.670375
1986	9039920017.46036
1987	10802780047.2565
1988	11272999987.827614
1989	12186039975.3917
1990	17466670053.3852
1991	23816300026.666378
1992	22187419941.15338
1993	19904460098.34856
1994	21229659946.659584
1995	23468350118.85315
1996	19051890070.680527
1997	15582570019.122213
1998	17913219990.381977
1999	21528479953.201496
2000	19296040009.770542
2001	18498630025.30113
2002	19274899952.661255
2003	21269589956.529434
2004	24545869945.24487
2005	39823360123.74611
2006	26530619797.08448
2007	26586500128.446156
2008	31592560043.687008
2009	24023920172.510677
2010	21778850005.367767
2011	26796199959.40291
2012	24890950140.951206
2013	23394770004.495983
2014	25217650095.995525
2015	22990660087.665543
2016	25792519902.924088
2017	25587149962.823845
2018	24382360016.63655
2019	22068020112.270496
2020	30865460007.44775
2021	32659600055.2252
2022	55023909844.648094