Year	current US$
1970	1328109985.172749
1971	1549209992.3491478
1972	1743340023.8752358
1973	1929919972.5389478
1974	2400669990.787283
1975	1966279986.2008538
1976	1718489997.3273299
1977	1641210019.657389
1978	2314239983.8361893
1979	2835589990.127833
1980	3224909999.636933
1981	3524299967.078492
1982	3321610018.7338896
1983	3385139981.7150097
1984	3501789932.0404973
1985	3545439959.3360724
1986	4355949997.283523
1987	5164860109.385101
1988	6125269986.350092
1989	6363840010.453014
1990	7116500005.014246
1991	6889849976.122378
1992	9303789994.517355
1993	8673469849.178566
1994	8889080050.930386
1995	9197609946.507965
1996	7540949830.129747
1997	6248800138.1754875
1998	7770779838.919643
1999	9101279994.487766
2000	7946010089.397433
2001	6799360099.792484
2002	6564070068.359379
2003	6394419982.43332
2004	6153709942.817698
2005	8529419942.855834
2006	7037449972.152718
2007	7733009768.486033
2008	7481530153.274541
2009	8871530036.926277
2010	8729360179.424295
2011	6583340042.114256
2012	8085950115.203857
2013	11180440219.87915
2014	8651560068.130491
2015	7703729875.922209
2016	6993940140.724189
2017	7501439985.275272
2018	7467159894.943237
2019	6185010067.224506
2020	11676939917.087578
2021	9137949837.684637