Year	current US$
1990	91518970.8123426
1991	35107014.380287
1992	84302074.2304736
1993	3281505.65139881
1994	52578937.2881839
1995	18940061.8179814
1996	9338448.46912917
1997	92996775.3034061
1998	94674590.4325885
1999	47740496.1313928
2000	-23716845.7576612
2001	81837156.2106479
2002	-30682406.7785285
2003	222412570.127475
2004	224804120.465999
2005	246225989.795516
2006	414542126.016473
2007	303281311.350531
2008	72899164.1675562
2009	277245595.95151
2010	109686359.982163
2011	247187140.279538
2012	76182903.3730793
2013	341002835.346186
2014	657630085.09515
2015	479474181.167003
2016	592581476.320096
2017	568567568.598577
2018	805238463.605131
2019	715929776.996495
2020	565433558.593891