Year	current US$
1970	19719999.70450997
1971	23709999.714046706
1972	37780000.58233738
1973	64990001.037716955
1974	76220000.56877738
1975	135380001.12771988
1976	143830001.2797116
1977	182989997.71475798
1978	189310002.47597682
1979	274920006.133616
1980	285780003.7264822
1981	258609998.6713378
1982	250319994.2782521
1983	232500000.00745055
1984	208120002.83785155
1985	227639997.83806515
1986	351840000.05573046
1987	329279997.37858766
1988	457199997.05441236
1989	425190001.534298
1990	569430005.7683146
1991	658430005.42745
1992	563710001.0644644
1993	497909998.76707786
1994	421970001.63607293
1995	381260003.6337973
1996	461109999.83921653
1997	387899999.9482185
1998	334540001.6978383
1999	314659998.2492625
2000	349450001.757592
2001	291610001.6515704
2002	322639997.2867222
2003	563119999.114424
2004	545759996.4998661
2005	657840002.3374708
2006	720129994.5376806
2007	816969998.335465
2008	833649996.4799732
2009	727780009.5323473
2010	708800006.5758823
2011	1110489993.3170536
2012	864769988.3840978
2013	950670004.2858716
2014	822709994.4800136
2015	735899999.7638168
2016	718290001.4072657
2017	883869994.3628159
2018	998790005.1623582
2019	928150000.1437961
2020	966960001.1892617
2021	1209249984.0706587
2022	926610001.1765958