Year	current US$
1970	389389997.44690955
1971	427109998.14607215
1972	448529997.2128122
1973	454959996.4767694
1974	612039996.5830147
1975	864349994.3148352
1976	1088640008.2688775
1977	1438649995.109066
1978	1860679999.5135517
1979	1773710001.0365245
1980	2062999998.1969585
1981	2120479987.9472697
1982	2175899996.0236244
1983	2177950001.6346574
1984	2493950002.5920577
1985	2652749998.7334013
1986	2608609988.212585
1987	3071250015.4599543
1988	3036189984.701573
1989	2885769993.895666
1990	5097999986.208977
1991	7601920015.05941
1992	5310359992.764891
1993	3755430001.508445
1994	4607599977.031351
1995	3940789997.307585
1996	4395440022.9044285
1997	3753170041.7101374
1998	3768580027.7814283
1999	3537470031.0546923
2000	3107480009.643361
2001	3081790002.9830647
2002	2868719965.5398736
2003	5752529956.905172
2004	8374629965.79521
2005	25191450123.99928
2006	12570659837.510439
2007	13123820134.649061
2008	14535530005.794024
2009	6840340053.519237
2010	5494599981.158969
2011	6613970027.480274
2012	7647580021.230505
2013	8655489971.645174
2014	9006650009.373205
2015	8673840019.373226
2016	11953169960.722328
2017	13128250011.913479
2018	12790280077.49841
2019	13221520096.996805
2020	15081290099.339565
2021	16206920138.999826
2022	12632909944.059322