Year	current US$
1970	32082039.4107825
1971	22225499.9610696
1972	22813661.6196119
1973	58828895.5596519
1974	83113244.2224835
1975	27547965.007504
1976	31052398.4600273
1977	34110214.1646284
1978	33081571.8774686
1979	68581536.767613
1980	56390311.3960052
1981	35444986.0808049
1982	33136520.3323344
1983	29693516.2948051
1984	33995043.6212451
1985	42644031.7204193
1986	15429177.2272426
1987	25379515.8935812
1988	242500375.515268
1989	207777240.561856
1990	42912184.919736
1991	22003215.7761703
1992	24061662.4694457
1993	17298329.2971439
1994	31810637.0564176
1995	53438896.7966174
1996	30678745.1031665
1997	29005434.1286622
1998	11575539.8647433
1999	2172085.78645033
2000	1396315.08188768
2001	955976.941715744
2002	869912.575637283
2003	1162003.41352402
2004	15105862.9728614
2005	48129411.6989762
2006	216341409.827293
2007	217514133.504195
2008	160854276.892214
2009	52059295.1736308
2010	202321214.673588
2011	278671116.018194
2012	282395445.196722
2013	209883125.605674
2014	131489314.11514
2015	87133251.9829906
2016	73375226.6969952
2017	143009547.913858
2018	143102411.903226
2019	136767011.2991
2020	182010282.034271
2021	387763229.858763