Year	current US$
1998	244357897.91319788
1999	266834283.22420102
2000	328857187.25288075
2001	303070462.8012366
2002	297008859.34563303
2003	471729546.98874706
2004	349003523.0844908
2005	387432861.25688064
2006	578531769.6406356
2007	751914919.6474972
2008	651513270.2553151
2009	402696056.44012433
2010	455185963.91406584
2011	407378902.05322987
2012	637326766.6538454
2013	580950630.9478533
2014	634034908.3566995
2015	616908051.7908467
2016	623525822.0858331
2017	699117795.790421
2018	947373071.9145525
2019	901978829.7290615
2020	928333673.6902475
2021	1043261032.5279664
2022	1116129218.2530844