Year	current US$
1996	7219999.79019165
1997	10390000.3433228
1998	22170000.0762939
1999	1980000.01907349
2000	6300000.19073486
2001	8819999.69482422
2002	5730000.01907349
2003	5309999.94277954
2004	7170000.07629395
2005	1269999.98092651
2006	10760000.2288818
2007	14390000.3433228
2008	5920000.07629395
2009	3359999.89509583
2010	439999.997615814
2011	660000.026226044
2012	439999.997615814
2013	150000.005960464
2014	280000.001192093
2015	100000.00149011599
2016	19999.9995529652
2017	19999.9995529652
2018	9999.99977648258
2019	9999.99977648258
2020	0
2021	970000.028610229
2022	9999.99977648258