Year	current US$
1993	65467157.175
1994	49641459.7929938
1995	72405120.6525432
1996	104515982.796699
1997	119539705.605319
1998	149979190.643577
1999	201218203.883495
2000	209201385.784533
2001	204717534.629013
2002	198777319.481588
2003	240955666.42908
2004	298904345.171466
2005	391946562.301671
2006	522729572.419969
2007	804273919.123647
2008	1161552154.33301
2009	1402953097.78552
2010	1442491652.13058
2011	1572861795.61859
2012	1416304372.92493
2013	1732254824.26875
2014	1904229748.72365
2015	1532380564.01952
2016	1077984877.15215
2017	997849387.696385
2018	1141284052.15931
2019	1109592164.71951
2020	1652856752.09528
2021	2083818450.79112