Year	current US$
1993	360735910.5728924
1994	265016576.25075346
1995	194667937.0456631
1996	175573604.0609137
1997	152104535.92444336
1998	125664767.42314501
1999	107858186.18960214
2000	71344732.08910295
2001	93584203.97674386
2002	105000808.5718017
2003	128535683.56881092
2004	244671955.09993577
2005	337615074.5355386
2006	314272824.9507035
2007	331185368.23566014
2008	481734910.2594933
2009	620560271.2042462
2010	639077663.7503777
2011	890572022.8459477
2012	980220815.634902
2013	1123412729.814012
2014	1279395297.31951
2015	956090887.1274065
2016	822086163.6042843
2017	858131157.6419499
2018	871315804.2258204
2019	925913975.8206583
2020	940937277.1131634
2021	972813327.615098
2022	1085823457.8225603