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	2320370012.164117
1992	2068979975.1788373
1993	2189939975.9173384
1994	2167300007.6711173
1995	1848700020.5703082
1996	1899679994.2180529
1997	1841569981.9326406
1998	1912530003.935098
1999	1834409994.1253667
2000	1852170024.1565702
2001	1718130000.1144404
2002	1901770004.1532526
2003	1691799995.660782
2004	1650130008.5186963
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	2453030005.2650275