Year	current US$
1974	19999.9995529652
1983	129999.995231628
1984	109999.999403954
1985	100000.00149011599
1986	129999.995231628
1987	39999.9991059303
1988	140000.000596046
1989	9999.99977648258
1990	50000.0007450581
1991	29999.999329447703
1992	170000.00178813902
1993	59999.9986588955
1994	19999.9995529652
1995	319999.99284744303
1996	330000.013113022
1997	560000.002384186
1998	349999.99403953605
1999	300000.011920929
2000	219999.998807907
2001	280000.001192093
2002	519999.980926514
2003	819999.992847443
2004	870000.004768372
2005	280000.001192093
2006	409999.99642372096
2007	699999.988079071
2008	280000.001192093
2009	1000000
2010	1220000.02861023
2011	1059999.9427795399
2012	939999.997615814
2013	1240000.0095367401
2014	1029999.97138977
2015	860000.014305115
2016	899999.976158142
2017	579999.983310699
2018	319999.99284744303
2019	370000.00476837205
2020	200000.00298023198
2021	439999.997615814
2022	300000.011920929