Year	current US$
1971	9999.99977648258
1972	9999.99977648258
1976	59999.9986588955
1977	449999.988079071
1978	230000.004172325
1979	1220000.02861023
1980	1019999.98092651
1981	4159999.8474121103
1982	5610000.1335144
1983	2180000.0667572
1984	7400000.09536743
1985	5000000
1986	7599999.90463257
1987	6739999.771118159
1988	23680000.3051758
1989	28489999.7711182
1990	24780000.6866455
1991	21440000.5340576
1992	16610000.610351602
1993	4909999.84741211
1994	6869999.88555908
1995	5139999.8664856
1996	4159999.8474121103
1997	2809999.94277954
1998	2359999.89509583
1999	2700000.04768372
2000	3460000.03814697
2001	3700000.04768372
2002	5159999.84741211
2003	4469999.79019165
2004	3940000.05722046
2005	4269999.98092651
2006	4250000
2007	4210000.03814697
2008	1120000.00476837
2009	1019999.98092651
2010	1860000.01430511
2011	1950000.04768372
2012	1450000.04768372
2013	1990000.0095367401
2014	2240000.00953674
2015	1950000.04768372
2016	1360000.01430511
2017	910000.026226044
2018	540000.021457672
2019	330000.013113022
2020	250000
2021	379999.99523162795
2022	340000.00357627904