Year	current US$
1990	50000.0007450581
1991	39999.9991059303
1992	50000.0007450581
1993	29999.999329447703
1994	39999.9991059303
1995	159999.99642372102
1996	50000.0007450581
1997	270000.010728836
1998	100000.00149011599
1999	109999.999403954
2000	230000.004172325
2002	300000.011920929
2003	439999.997615814
2004	519999.980926514
2005	460000.00834465
2006	529999.971389771
2007	289999.99165535
2008	519999.980926514
2009	300000.011920929
2010	239999.994635582
2011	449999.988079071
2012	439999.997615814
2013	600000.023841858
2014	540000.021457672
2015	330000.013113022
2016	529999.971389771
2017	500000
2018	419999.986886978
2019	740000.009536743
2020	709999.978542328
2021	349999.99403953605
2022	219999.998807907