Year	current US$
1973	39999.9991059303
1974	119999.997317791
1975	140000.000596046
1976	70000.0002980232
1977	119999.997317791
1978	209999.993443489
1980	119999.997317791
1981	500000
1982	1059999.9427795399
1983	7230000.01907349
1984	5300000.19073486
1985	5260000.228881841
1986	7400000.09536743
1987	15539999.961853001
1988	13130000.1144409
1989	6369999.88555908
1990	13380000.1144409
1991	3910000.08583069
1992	4250000
1993	6000000
1994	3190000.05722046
1995	1940000.0572204601
1996	2329999.92370605
1997	2000000
1998	3299999.95231628
1999	4019999.98092651
2000	11189999.5803833
2001	1629999.99523163
2002	3680000.0667572
2003	2950000.04768372
2004	2890000.10490417
2005	2980000.01907349
2006	2750000
2007	3849999.90463257
2008	2859999.89509583
2009	2069999.9332428002
2010	699999.988079071
2011	2109999.89509583
2012	1870000.00476837
2013	1490000.0095367401
2014	680000.007152557
2015	610000.014305115
2016	170000.00178813902
2017	680000.007152557
2018	1090000.0333786
2019	379999.99523162795
2020	360000.01430511504
2021	2730000.01907349
2022	899999.976158142