Year	current US$
1978	180000.00715255702
1979	9999.99977648258
1982	140000.000596046
1983	29999.999329447703
1984	59999.9986588955
1987	59999.9986588955
1988	19999.9995529652
1990	280000.001192093
1991	259999.990463257
1992	230000.004172325
1993	200000.00298023198
1994	140000.000596046
1995	79999.9982118607
1997	180000.00715255702
1998	90000.0035762787
1999	100000.00149011599
2000	180000.00715255702
2001	209999.993443489
2002	189999.99761581398
2003	280000.001192093
2004	270000.010728836
2005	400000.00596046395
2006	519999.980926514
2007	1289999.96185303
2008	529999.971389771
2009	540000.021457672
2010	409999.99642372096
2011	330000.013113022
2012	289999.99165535
2013	300000.011920929
2014	270000.010728836
2015	180000.00715255702
2016	189999.99761581398
2017	70000.0002980232
2018	219999.998807907
2019	79999.9982118607
2020	29999.999329447703
2021	59999.9986588955
2022	109999.999403954