Year	current US$
1970	84799999.05079602
1971	111099999.3681908
1972	174109998.58379355
1973	224919999.12261954
1974	226830000.25153166
1975	319630001.66416216
1976	282829999.70018864
1977	322659994.8406219
1978	438559994.13132656
1979	515239993.58713615
1980	646149987.9658213
1981	660859988.4808058
1982	600710000.2244115
1983	602020000.6905941
1984	572939989.9858985
1985	620960010.0107493
1986	767559994.7180599
1987	1023749983.7428336
1988	1071930013.4237863
1989	1075450020.3244388
1990	1215779994.2214046
1991	1384199985.7984493
1992	1378359984.4388661
1993	1646280017.839745
1994	1721680007.0181494
1995	1846600003.77521
1996	1850709990.7919767
1997	1432930016.381667
1998	1479829975.1803286
1999	1498039983.987809
2000	1443960007.4905906
2001	1376989986.0676386
2002	1563740006.5176196
2003	2054940026.0094552
2004	2132929980.3767364
2005	766379987.1504309
2006	1163290011.3761425
2007	1031930016.5176387
2008	1198270011.1158195
2009	1227950006.3471498
2010	1373669991.6422362
2011	1799689953.882248
2012	2407380021.497608
2013	1607859999.895095
2014	1784950009.5192337
2015	1142060014.3447518
2016	915719995.9680443
2017	761259975.8505832
2018	914320009.678602
2019	758310008.6599588
2020	1470149988.0068004
2021	1776479984.4175582
2022	1483400013.7038522