Year	current US$
1972	1750000
1973	1000000
1974	1590000.0333786
1975	1879999.99523163
1976	2480000.01907349
1977	1370000.00476837
1978	1450000.04768372
1979	819999.992847443
1980	709999.978542328
1981	400000.00596046395
1982	180000.00715255702
1983	109999.999403954
1984	180000.00715255702
1985	150000.005960464
1986	180000.00715255702
1987	200000.00298023198
1988	150000.005960464
1989	90000.0035762787
1990	3390000.10490417
1991	9999.99977648258
1992	230000.004172325
1993	109999.999403954
1994	9999.99977648258
1995	219999.998807907
1996	90000.0035762787
1997	159999.99642372102
1998	70000.0002980232
1999	159999.99642372102
2000	119999.997317791
2001	129999.995231628
2002	59999.9986588955
2003	90000.0035762787
2004	90000.0035762787
2005	39999.9991059303
2006	19999.9995529652
2007	19999.9995529652
2008	29999.999329447703
2009	19999.9995529652
2012	29999.999329447703
2013	59999.9986588955
2014	230000.004172325
2015	259999.990463257
2016	280000.001192093
2017	239999.994635582
2018	150000.005960464
2019	270000.010728836
2020	79999.9982118607
2021	109999.999403954
2022	39999.9991059303