Year	current US$
1995	40490517.0778784
1996	81319532.6809484
1997	199395770.504305
1998	23057791.2056481
1999	34242932.2045008
2000	25516157.7773838
2001	39755114.5791811
2002	30282531.9211627
2003	24707771.9703722
2004	34746846.5868961
2005	27944199.0527694
2006	23576837.334928
2007	32407629.6596727
2008	56020972.2337436
2009	90010612.7740805
2010	114149602.728927
2011	115328815.906209
2012	132764717.792848
2013	133338047.50637
2014	151753160.388458
2015	145070693.229695
2016	145371150.939987
2017	143412422.685212
2018	163033689.39269
2019	191694416.403147