Year	current US$
1976	39999.9991059303
1977	140000.000596046
1978	270000.010728836
1979	899999.976158142
1980	2099999.90463257
1981	8000000
1982	4409999.84741211
1983	6150000.09536743
1984	13329999.923706101
1985	12729999.5422363
1986	31149999.6185303
1987	17729999.5422363
1988	13920000.076293899
1989	7969999.79019165
1990	9000000
1991	13619999.8855591
1992	21719999.3133545
1993	17459999.084472697
1994	20709999.084472697
1995	21760000.2288818
1996	22799999.237060502
1997	16700000.7629395
1998	14149999.6185303
1999	13000000
2000	12039999.961853001
2001	9739999.77111816
2002	13359999.6566772
2003	12479999.5422363
2004	18340000.1525879
2005	19930000.3051758
2006	30559999.4659424
2007	30219999.3133545
2008	27239999.7711182
2009	21309999.4659424
2010	24110000.6103516
2011	23069999.6948242
2012	20899999.6185303
2013	19860000.6103516
2014	15060000.4196167
2015	12760000.2288818
2016	17420000.0762939
2017	13840000.1525879
2018	10300000.1907349
2019	9439999.5803833
2020	12470000.2670288
2021	8270000.45776367
2022	17180000.3051758