Year	current US$
1966	29999.999329447703
1972	9999.99977648258
1973	29999.999329447703
1974	29999.999329447703
1975	419999.986886978
1976	189999.99761581398
1977	159999.99642372102
1978	230000.004172325
1979	129999.995231628
1980	219999.998807907
1981	409999.99642372096
1982	469999.998807907
1983	629999.995231628
1984	259999.990463257
1985	319999.99284744303
1986	579999.983310699
1987	699999.988079071
1988	1440000.0572204601
1989	1070000.05245209
1990	1480000.01907349
1991	2329999.92370605
1992	2119999.8855590797
1993	3289999.96185303
1994	2869999.8855590797
1995	2049999.9523162802
1996	2930000.0667572
1997	1220000.02861023
1998	2549999.95231628
1999	2000000
2000	2559999.94277954
2001	2250000
2002	2359999.89509583
2003	2930000.0667572
2004	2630000.1144409203
2005	1769999.98092651
2006	3769999.98092651
2007	2940000.05722046
2008	3210000.03814697
2009	3259999.99046326
2010	930000.007152557
2011	1159999.9666214
2012	2289999.96185303
2013	4380000.11444092
2014	2160000.08583069
2015	389999.98569488496
2016	1970000.02861023
2017	1629999.99523163
2018	1289999.96185303
2019	990000.009536743
2020	629999.995231628
2021	839999.973773956
2022	469999.998807907