Year	current US$
1979	19999.9995529652
1980	19999.9995529652
1981	39999.9991059303
1982	9999.99977648258
1983	79999.9982118607
1984	59999.9986588955
1985	50000.0007450581
1987	39999.9991059303
1988	9999.99977648258
1989	9999.99977648258
1990	19999.9995529652
1991	19999.9995529652
1992	39999.9991059303
1993	29999.999329447703
1994	39999.9991059303
1995	50000.0007450581
1996	59999.9986588955
1997	39999.9991059303
1998	100000.00149011599
1999	219999.998807907
2000	170000.00178813902
2001	219999.998807907
2002	239999.994635582
2003	50000.0007450581
2004	50000.0007450581
2005	949999.988079071
2006	349999.99403953605
2007	180000.00715255702
2008	349999.99403953605
2009	39999.9991059303
2010	389999.98569488496
2011	400000.00596046395
2012	479999.989271164
2013	159999.99642372102
2014	310000.002384186
2015	280000.001192093
2016	389999.98569488496
2017	349999.99403953605
2018	330000.013113022
2019	119999.997317791
2020	250000
2021	280000.001192093
2022	230000.004172325