Year	US Dollars
1991	340000.00358
1992	22610000.61035
1993	163690002.44141
1994	263750000
1995	275359985.35156
1996	408040008.54492
1997	337820007.32422
1998	294809997.55859
1999	345790008.54492
2000	253039993.28613
2001	437660003.66211
2002	454799987.79297
2003	297940002.44141
2004	379529998.7793
2005	342910003.66211
2006	405859985.35156
2007	402109985.35156
2008	865549987.79297
2009	827849975.58594
2010	616530029.29688
2011	536419982.91016
2012	655530029.29688
2013	633989990.23438
2014	554250000
2015	486079986.57227
2016	498059997.55859
2017	471049987.79297
2018	590469970.70312
2019	507829986.57227
2020	1040859985.35156
2021	723700012.20703