Year	current US$
1991	50000.0007450581
1992	1210000.03814697
1993	200000.00298023198
1994	259999.990463257
1995	3519999.98092651
1996	2299999.95231628
1997	4539999.96185303
1998	5650000.09536743
1999	3960000.03814697
2000	4199999.80926514
2001	3769999.98092651
2002	4349999.90463257
2003	5920000.07629395
2004	7210000.03814697
2005	5110000.1335144
2006	7480000.01907349
2007	7860000.1335144
2008	5869999.88555908
2009	9989999.77111816
2010	12460000.038146999
2011	6969999.79019165
2013	200000.00298023198
2015	109999.999403954
2016	90000.0035762787