Year	constant 2021 US$
1970	777969987.5861409
1971	816690001.130104
1972	859849998.5560777
1973	1067010008.9684136
1974	1341429994.1435454
1975	1414489984.0354943
1976	1916699991.673231
1977	1693439983.397722
1978	2014980023.3319378
1979	1789610023.8710637
1980	2223700003.571808
1981	2405579996.138812
1982	2166280005.156995
1983	2532280002.621936
1984	2529859964.2515216
1985	2138140003.4427643
1986	2243810004.3535233
1987	2045860015.153885
1988	1839139985.8277295
1989	2111799985.4087827
1990	2504360023.1707115
1991	2300330011.2485895
1992	1929579981.2823532
1993	2125559978.6639204
1994	2104960007.5185294
1995	1775870018.7392535
1996	1817969996.5640917
1997	1684189984.7388272
1998	1728110000.3719325
1999	1620839990.6158452
2000	1652150024.4140618
2001	1517169999.1226187
2002	1759070007.3242197
2003	1545499992.370606
2004	1412680002.2125247
2005	1342700004.5776365
2006	1469980018.6157236
2007	1814620019.435883
2008	2498009987.8311176
2009	2226149984.3597417
2010	2487759975.43335
2011	2287519979.4769306
2012	2306559975.6240864
2013	2281129985.809327
2014	1845149973.2136734
2015	1790009999.2752073
2016	1812779970.6459055
2017	2115320033.0734265
2018	2126560012.8173838
2019	2097279994.964601
2020	2986009951.5914907
2021	2452980005.264282