Year	constant 2021 US$
1970	3914760021.209718
1971	3201679943.0847173
1972	3137590017.318725
1973	2947599964.581431
1974	3031149984.359742
1975	3291329989.9101243
1976	3012329975.128175
1977	2609120014.6675096
1978	2949900020.599365
1979	3306709989.54773
1980	3645370018.9590454
1981	4359449991.226197
1982	4794339986.324312
1983	5072919998.645781
1984	5518910026.550297
1985	6227170016.288759
1986	5992080115.3183
1987	6438580030.441284
1988	6167779991.149903
1989	6761040003.776552
1990	6795570065.97519
1991	7521369991.30249
1992	6331039980.411528
1993	6533860001.087191
1994	6702919972.896576
1995	6521080053.567888
1996	6186040009.021763
1997	5644929931.640624
1998	5605900032.04346
1999	6045029899.120335
2000	5069209973.335267
2001	7323800056.457527
2002	6158509979.724886
2003	6494980050.619692
2004	6297220033.49662
2005	6218449985.027315
2006	6869130048.990253
2007	5712550036.430363
2008	6793100005.149847
2009	7134980065.584184
2010	8284280013.084413
2011	8056899879.455572
2012	7613589900.851248
2013	7162039993.524556
2014	7212080060.958864
2015	7960889991.044999
2016	7514559911.966329
2017	6672239963.471893
2018	8050639965.057383
2019	6888979965.209963
2020	9804980072.021492
2021	9152180057.287216