Year	current US$
1995	17399999.6185303
1996	18500000
1997	14800000.1907349
1998	10199999.8092651
1999	11399999.6185303
2000	12199999.8092651
2001	10500000
2002	8500000
2003	6400000.09536743
2004	12300000.1907349
2005	11199999.8092651
2006	26500000
2007	35599998.4741211
2008	40500000
2009	37799999.237060495
2010	51200000.762939505
2011	66000000
2012	68099998.4741211
2013	68300003.0517578
2014	65599998.474121094
2015	60700000.762939505
2016	74900001.5258789
2017	72699996.9482422
2018	53000000
2019	62500000
2020	30909999.8474121