Year	current US$
1970	19999.9995529652
1971	79999.9982118607
1972	19999.9995529652
1973	39999.9991059303
1974	39999.9991059303
1975	59999.9986588955
1976	59999.9986588955
1980	39999.9991059303
1982	579999.983310699
1983	259999.990463257
1984	159999.99642372102
1985	90000.0035762787
1986	319999.99284744303
1987	500000
1988	569999.992847443
1989	319999.99284744303
1990	469999.998807907
1991	779999.971389771
1992	500000
1993	7849999.90463257
1994	730000.019073486
1995	3490000.00953674
1996	2640000.10490417
1997	3940000.05722046
1998	3950000.04768372
1999	6179999.82833862
2000	8770000.45776367
2001	9329999.92370605
2002	10569999.6948242
2003	5179999.82833862
2004	5170000.07629395
2005	4159999.8474121103
2006	2690000.05722046
2007	2480000.01907349
2008	3619999.8855590797
2009	3069999.9332428
2010	2980000.01907349
2011	3519999.98092651
2012	2569999.9332428
2013	2460000.03814697
2014	1480000.01907349
2015	6949999.80926514
2016	5179999.82833862
2017	2269999.98092651
2018	2069999.9332428002
2019	1799999.95231628
2020	1500000
2021	1850000.02384186
2022	1220000.02861023