Year	current US$
1991	159999.99642372102
1996	159999.99642372102
1997	140000.000596046
1998	100000.00149011599
1999	70000.0002980232
2004	109999.999403954
2005	19999.9995529652
2006	1039999.96185303
2007	500000
2008	460000.00834465
2009	1200000.04768372
2010	720000.028610229
2011	409999.99642372096
2012	500000
2013	189999.99761581398
2014	79999.9982118607
2015	289999.99165535
2016	129999.995231628
2017	310000.002384186
2018	219999.998807907
2019	159999.99642372102
2020	79999.9982118607
2021	90000.0035762787
2022	759999.990463257