Year	current US$
2001	3599999.90463257
2002	3299999.95231628
2003	3500000
2004	3799999.95231628
2005	4000000
2006	4960000.03814697
2007	5889999.8664856
2008	7199999.80926514
2009	6300000.19073486
2010	7400000.09536743
2011	9649999.61853027
2012	9500000
2013	4599999.90463257
2014	5099999.90463257
2015	6400000.09536743
2016	7800000.19073486
2017	6300000.19073486
2018	7099999.90463257
2019	6300000.19073486