Year	current US$
1970	865239999.6332825
1971	974330000.7432696
1972	1044370001.863688
1973	1291450004.2945147
1974	1721329997.671768
1975	2195560008.7121134
1976	2094780001.14113
1977	2323589997.02707
1978	3188550006.249919
1979	4235590012.5242753
1980	4906130005.629734
1981	5037579991.590231
1982	4975319985.069335
1983	4864909995.449707
1984	5285349990.315735
1985	5867349989.803508
1986	7351499991.36664
1987	8347860010.210425
1988	10228929996.909575
1989	10369019980.510698
1990	12240340013.77039
1991	11787340031.27366
1992	12938799950.053915
1993	11733369987.435638
1994	12110829969.655724
1995	11542489974.385124
1996	10612559998.504814
1997	9484700006.349014
1998	9652790005.829184
1999	8973489977.512508
2000	8772460007.779299
2001	9012680008.092897
2002	12112809951.24951
2003	18193589969.93304
2004	18068729937.33362
2005	24126719911.942265
2006	30773250016.706074
2007	23639670016.340908
2008	25933260039.124638
2009	26579650104.889645
2010	28074149982.921787
2011	30716610121.62269
2012	28684720034.96439
2013	28671199917.46919
2014	27090960083.205257
2015	25390079910.388226
2016	25491429991.49486
2017	27907270073.557278
2018	28401190098.12177
2019	26913249961.510303
2020	30883590046.05003
2021	31769430034.285408
2022	28512270071.949818