Year	current US$
1992	419999.986886978
1993	779999.971389771
1994	1460000.03814697
1995	19999.9995529652
1997	39999.9991059303
1998	150000.005960464
1999	519999.980926514
2000	310000.002384186
2001	550000.011920929
2002	699999.988079071
2003	2950000.04768372
2004	2480000.01907349
2005	3519999.98092651
2006	810000.002384186
2007	4159999.8474121103
2008	3750000
2009	769999.980926514
2010	29999.999329447703
2011	59999.9986588955
2012	9999.99977648258
2013	140000.000596046
2014	109999.999403954
2015	349999.99403953605
2016	70000.0002980232
2017	9999.99977648258
2018	0
2019	50000.0007450581
2020	219999.998807907
2021	230000.004172325
2022	230000.004172325