Year	current US$
1970	74920040.8547367
1971	50086273.9771712
1972	43368389.2919959
1973	129056171.151748
1974	169447386.02154
1975	43874224.6378574
1976	45033443.7644002
1977	35372493.235831
1978	29865880.2522792
1979	55692682.8749769
1980	82187943.5511156
1981	32245745.9953402
1982	20203819.0232857
1983	22104292.6299452
1984	15427074.1342097
1985	16460621.5925609
1986	15677251.3372647
1987	22583188.8237642
1988	86593878.8511949
1989	95944704.1286987
1990	41463752.5757105
1991	32016028.7578201
1992	36687639.2262747
1993	12370935.5911178
1994	37972109.3658066
1995	37137640.5639867
1996	26034990.0472121
1997	26588855.7718119
1998	18599004.2372743
1999	19717943.8368469
2000	19100356.4548542
2001	12913511.1699747
2002	24261343.4379547
2003	21579948.0327121
2004	30285466.3181071
2005	40900293.3364546
2006	61854570.9084903
2007	56666830.7967801
2008	49240797.4167871
2009	75274203.6814455
2010	118448550.758872
2011	166924773.007562
2012	127891356.588872
2013	80613755.4121316
2014	63541617.7719832
2015	58655554.9265293
2016	56367088.1489921
2017	58626837.2848061
2018	73406239.6920179
2019	1468057882.66864
2020	1239156676.93954
2021	275912213.707763