Year	current US$
1974	209999.993443489
1975	19999.9995529652
1976	3140000.10490417
1977	3349999.90463257
1978	2880000.1144409203
1979	2509999.99046326
1980	3299999.95231628
1981	2470000.02861023
1982	1889999.98569489
1983	2490000.00953674
1984	3910000.08583069
1985	1919999.95708466
1986	1409999.9666214
1987	1139999.98569489
1988	1039999.96185303
1989	720000.028610229
1990	920000.016689301
1991	879999.995231628
1992	1279999.97138977
1993	1470000.02861023
1994	1710000.03814697
1995	1960000.03814697
1996	1950000.04768372
1997	2039999.96185303
1998	1970000.02861023
1999	1159999.9666214
2000	1019999.98092651
2001	939999.997615814
2002	819999.992847443
2003	579999.983310699
2004	740000.009536743
2005	779999.971389771
2009	1769999.98092651
2010	980000.019073486
2011	3119999.8855590797
2012	87600.0002026558
2016	2333638.90647888
2017	3801009.8934173603
2020	2938814.87846375
2021	2177150.0110626197