Year	current US$
1960	252630001.63994732
1961	798670000.480488
1962	775350001.5810132
1963	800819996.763021
1964	661889999.384061
1965	823949996.0355462
1966	879550005.9966003
1967	721529993.8861282
1968	787319992.4621729
1969	665719998.1566519
1970	660869999.4124473
1971	573609998.2112646
1972	581410001.1382251
1973	613890002.7778
1974	703409999.6648729
1975	827159999.3910638
1976	800739996.9510732
1977	758469998.7936765
1978	968209995.8974878
1979	1175690002.4674833
1980	1284549992.7494674
1981	1615420007.2493408
1982	1868539997.7825582
1983	2066350000.1635406
1984	2209139992.9616604
1985	2618940002.4246426
1986	2884079996.7106447
1987	3439830002.781003
1988	3470670010.389758
1989	3948989990.31633
1990	4372779993.264003
1991	5042020000.969993
1992	4556299998.298287
1993	4559240008.234978
1994	4970259984.662757
1995	5341910009.808842
1996	6304780004.171656
1997	4408029994.409531
1998	4517700017.636646
1999	4660629990.024497
2000	4133719977.0975814
2001	4947929994.052273
2002	4239490007.2701316
2003	5186559984.564782
2004	5778090000.014748
2005	5590700008.574871
2006	6096379987.707368
2007	5915740006.187934
2008	8106550036.225469
2009	7691600013.930355
2010	8499810045.171537
2011	8926820000.89064
2012	7759260030.720375
2013	7302799990.173429
2014	7165810031.883425
2015	6857469974.327834
2016	9255579880.520699
2017	6117820000.225669
2018	8004949996.333565
2019	6588410006.51196
2020	8837149999.853226
2021	9301010008.433832
2022	7100569994.391872