Year	current US$
1990	2740000.0039488063
1991	4349999.917671083
1992	5620000.006631009
1993	5250000.1117587015
1994	6749999.972060327
1995	11199999.889358876
1996	11350000.04991888
1997	12399999.916553497
1998	15440000.018104903
1999	11259999.992325898
2000	14839999.824762348
2001	11069999.873638153
2002	15959999.855607748
2003	15809999.90552664
2004	20939999.882131808
2005	18019999.98278915
2006	23349999.912083145
2007	31050000.106915817
2008	31339999.824762344
2009	33819999.67992306
2010	28930000.228807345
2011	25289999.63030219
2012	13350000.09089708
2013	13850000.055506831
2014	13009999.983012667
2015	11940000.087022787
2016	14930000.036954887
2017	11790000.230073929
2018	12859999.850392347
2019	12790000.06243587