Year	current US$
1970	5557726.89963066
1971	2761816.0831504
1972	3849827.84597665
1973	24265780.1564079
1974	59763386.3974874
1975	9615486.96221471
1976	8433959.31541664
1977	52148374.2550605
1978	61356266.2263461
1979	83927031.1552777
1980	122631281.904643
1981	43547764.5362416
1982	29004476.1748952
1983	33532354.8908367
1984	24883272.8571486
1985	11427227.9843217
1986	1168240.37487177
1987	7901993.8783977
1988	62264328.8200949
1989	99949883.9468813
1990	77667500.8130556
1991	41558203.8629465
1992	37916973.0604512
1993	13862675.021921
1994	76022230.3974101
1995	103347650.644061
1996	81624575.6729892
1997	78371018.6496004
1998	11587850.2227903
1999	12845738.5588781
2000	17166443.4713861
2001	6828815.40170968
2002	17276845.8742607
2003	13288644.9552989
2004	33990610.9110435
2005	62603156.0820733
2006	311889888.536487
2007	436593522.45407
2008	415405005.575919
2009	212056779.886596
2010	474051283.155808
2011	903386161.962628
2012	642101469.345267
2013	586065576.031034
2014	545455007.569165
2015	38950126.5567585
2016	187307196.860534
2017	670097569.067398
2018	368229301.983614
2019	178731859.681359
2020	122143936.874688
2021	1832029713.73709