Year	current US$
1992	1449999.988079071
1994	1140000.015497208
1997	1980000.0786781271
1998	1910000.026226039
1999	2639999.9260902395
2000	3229999.89986419
2001	4370000.004768364
2002	4300000.041723254
2003	4939999.997615808
2004	6009999.990463249
2005	6900000.005960451
2006	10689999.952912327
2007	11919999.696314327
2008	15380000.21129847
2009	11719999.831169851
2010	10130000.017583376
2011	8989999.767392881
2012	9190000.090748074
2013	13280000.034719713
2014	12029999.870806932
2015	11800000.276416542
2016	13020000.092685226
2017	13049999.926239252
2018	22409999.28303062
2019	16330000.072717663