Year	current US$
1991	19999.9995529652
1992	39999.9991059303
1993	119999.997317791
1994	59999.9986588955
1995	239999.994635582
1996	509999.99046325695
1997	740000.009536743
1998	490000.009536743
1999	370000.00476837205
2000	490000.009536743
2001	400000.00596046395
2002	400000.00596046395
2003	250000
2004	250000
2005	330000.013113022
2006	330000.013113022
2007	270000.010728836
2008	289999.99165535
2009	379999.99523162795
2010	189999.99761581398
2011	560000.002384186
2012	389999.98569488496
2013	280000.001192093
2014	270000.010728836
2015	219999.998807907
2016	189999.99761581398
2017	79999.9982118607
2018	100000.00149011599
2019	389999.98569488496
2020	280000.001192093
2021	79999.9982118607
2022	9999.99977648258