Year	current US$
1970	469999.9913573266
1971	210000.00275671488
1972	1749999.9850988418
1973	4799999.881535767
1974	8729999.901726838
1975	13719999.920576857
1976	11980000.227689743
1977	7919999.873265615
1978	18230000.3618002
1979	27449999.868869796
1980	27049999.93741517
1981	14619999.855756767
1982	30279999.49455262
1983	26540000.021457635
1984	29769999.859854512
1985	21320000.2796948
1986	25050000.062212344
1987	35259999.49872495
1988	35879999.96915457
1989	29300000.20936131
1990	61400000.8124858
1991	53769999.61026012
1992	90650001.70469281
1993	81439999.2488324
1994	110300000.6787478
1995	99840000.5809963
1996	111140000.63762076
1997	116679999.74824496
1998	112409998.94030388
1999	194450004.5068562
2000	156970003.5303831
2001	136530000.05148345
2002	150149999.17149556
2003	195179998.92123032
2004	200470002.17624006
2005	236830003.86878845
2006	212150001.73822033
2007	248339997.47782928
2008	247460004.0763617
2009	205979996.35525048
2010	245539995.81001696
2011	289030001.8768757
2012	424669997.1593912
2013	835559973.776341
2014	367830001.9148737
2015	274279995.113611
2016	266799999.47175354
2017	233239996.4369834
2018	255569999.75442892
2019	245900002.19829383
2020	174670001.34475538
2021	191520002.11179268
2022	199429999.5154141