Year	current US$
1971	19999.9995529652
1973	100000.00149011599
1974	29999.999329447703
1975	90000.0035762787
1976	39999.9991059303
1977	100000.00149011599
1978	219999.998807907
1979	449999.988079071
1980	270000.010728836
1981	540000.021457672
1982	740000.009536743
1983	560000.002384186
1984	409999.99642372096
1985	379999.99523162795
1986	419999.986886978
1987	449999.988079071
1988	529999.971389771
1989	509999.99046325695
1990	-14819999.6948242
1991	250000
1992	469999.998807907
1993	400000.00596046395
1994	560000.002384186
1995	720000.028610229
1996	529999.971389771
1997	419999.986886978
1998	200000.00298023198
2000	170000.00178813902
2001	639999.985694885
2002	529999.971389771
2003	170000.00178813902
2004	310000.002384186
2005	140000.000596046
2006	70000.0002980232
2007	109999.999403954
2011	129999.995231628
2012	239999.994635582
2013	170000.00178813902
2014	170000.00178813902
2015	79999.9982118607
2018	19999.9995529652
2019	19999.9995529652
2021	19999.9995529652
2022	39999.9991059303