Year	current US$
1972	280000.001192093
1973	9999.99977648258
1974	9999.99977648258
1975	9999.99977648258
1976	9999.99977648258
1977	100000.00149011599
1978	100000.00149011599
1979	460000.00834465
1980	829999.983310699
1981	920000.016689301
1982	2099999.90463257
1983	4570000.17166138
1984	2299999.95231628
1985	4019999.98092651
1986	7190000.05722046
1987	7030000.20980835
1988	20159999.8474121
1989	16159999.847412098
1990	12359999.6566772
1991	15210000.038146999
1992	2779999.97138977
1993	1620000.00476837
1994	1169999.95708466
1995	2200000.04768372
1996	930000.007152557
1997	889999.985694885
1998	1309999.9427795399
1999	1740000.0095367401
2000	1159999.9666214
2001	2490000.00953674
2002	1629999.99523163
2003	3410000.08583069
2004	9590000.15258789
2005	11729999.5422363
2006	12869999.8855591
2007	16959999.084472697
2008	8659999.84741211
2009	13199999.8092651
2010	21549999.237060502
2011	9649999.61853027
2012	10489999.7711182
2013	13260000.2288818
2014	9079999.92370605
2015	4500000
2016	620000.004768372
2017	230000.004172325
2020	3470000.02861023
2021	509999.99046325695
2022	250000