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