Year US Dollars 1992 1629999.99523 1993 11390000.34332 1994 39259998.32153 1995 90690002.44141 1996 101190002.44141 1997 164509994.50684 1998 191300003.05176 1999 189910003.66211 2000 232009994.50684 2001 214250000 2002 256079986.57227 2003 241500000 2004 278769989.01367 2005 192600006.10352 2006 172500000 2007 177360000.61035 2008 176309997.55859 2009 169240005.49316 2010 197559997.55859 2011 137429992.67578 2012 251960006.71387 2013 285429992.67578 2014 314230010.98633 2015 489320007.32422 2016 538880004.88281 2017 670659973.14453 2018 1070160034.17969 2019 1185239990.23438 2020 1464550048.82813 2021 1109339965.82031