Year	current US$
1991	39999.9991059303
1996	509999.99046325695
1997	939999.997615814
1999	519999.980926514
2000	1259999.9904632599
2001	1139999.98569489
2002	3000000
2003	330000.013113022
2004	2240000.00953674
2007	1169999.95708466
2008	270000.010728836
2009	50000.0007450581
2010	409999.99642372096
2011	610000.014305115
2012	1200000.04768372
2013	2049999.9523162802
2014	460000.00834465
2015	1129999.99523163
2016	289999.99165535
2017	50000.0007450581
2018	270000.010728836
2019	389999.98569488496
2020	280000.001192093
2021	189999.99761581398