Year	current US$
1974	2519999.98092651
1975	1370000.00476837
1976	1309999.9427795399
1977	1440000.0572204601
1978	1360000.01430511
1979	1649999.97615814
1980	1000000
1981	1899999.97615814
1982	810000.002384186
1983	649999.976158142
1984	469999.998807907
1985	400000.00596046395
1986	1090000.0333786
1987	1480000.01907349
1988	1740000.0095367401
1989	1159999.9666214
1990	1679999.94754791
1991	3859999.89509583
1992	1610000.01430511
1993	1799999.95231628
1994	1450000.04768372
1995	779999.971389771
1996	1070000.05245209
1997	449999.988079071
1998	579999.983310699
1999	579999.983310699
2000	3230000.01907349
2001	1059999.9427795399
2002	2329999.92370605
2003	239999.994635582
2004	70000.0002980232
2007	9999.99977648258
2008	19999.9995529652
2009	9999.99977648258
2012	9999.99977648258
2013	29999.999329447703
2014	0
2015	0
2016	0
2017	9999.99977648258
2018	129999.995231628
2019	319999.99284744303
2020	250000
2021	129999.995231628