Year	US Dollars
1993	4989999.77112
1994	148339996.33789
1995	94580001.83105
1996	133669998.16894
1997	133479995.72754
1998	145610000.61035
1999	389519989.01367
2000	394880004.88281
2001	389970001.2207
2002	407690002.44141
2003	347179992.67578
2004	313529998.7793
2005	260109985.35156
2006	222910003.66211
2007	204100006.10352
2008	193389999.38965
2009	188889999.38965
2010	178839996.33789
2011	177470001.2207
2012	141539993.28613
2013	184699996.94824
2014	196149993.89648
2015	222860000.61035
2016	175740005.49316
2017	154990005.49316
2018	170199996.94824
2019	143660003.66211
2020	282440002.44141
2021	317779998.7793