Year	current US$
1974	239999.994635582
1975	219999.998807907
1976	150000.005960464
1977	79999.9982118607
1978	219999.998807907
1979	270000.010728836
1980	1120000.00476837
1981	1200000.04768372
1982	500000
1983	360000.01430511504
1984	430000.00715255697
1985	1169999.95708466
1986	479999.989271164
1987	1710000.03814697
1988	3660000.08583069
1989	2289999.96185303
1990	1409999.9666214
1991	540000.021457672
1992	649999.976158142
1993	270000.010728836
1994	50000.0007450581
1995	29999.999329447703
1997	19999.9995529652
1998	19999.9995529652
1999	50000.0007450581
2000	19999.9995529652
2001	29999.999329447703
2002	59999.9986588955
2003	109999.999403954
2004	59999.9986588955
2005	1629999.99523163
2006	19999.9995529652
2007	3490000.00953674
2008	189999.99761581398
2009	2420000.07629395
2010	29999.999329447703
2011	140000.000596046
2012	29999.999329447703
2013	159999.99642372102