Year	current US$
1993	6249997.70491002
1994	55021463.7184161
1995	100448819.351355
1996	302117151.805253
1997	340025608.380544
1998	738860367.055002
1999	633766009.966314
2000	602866677.905444
2001	711113468.382639
2002	892550709.343225
2003	1099906217.61626
2004	799488099.948019
2005	1340706459.85356
2006	1677693601.20957
2007	2295809309.74455
2008	2586100789.09275
2009	2044602212.03787
2010	1496982252.67054
2011	1522137850.14904
2012	1334625944.42687
2013	1079198620.08455
2014	1523333418.51867
2015	1376392339.35458
2016	1658604748.22938
2017	2055510447.8687
2018	2786200090.44714
2019	3447070354.47763
2020	3251663148.54257
2021	4069220648.97775
2022	3945535279.12781