Year US Dollars 1989 19999.99955 1990 19999.99955 1991 9999.99978 1992 17950000.76294 1993 98150001.52588 1994 590530029.29688 1995 1207619995.11719 1996 1134660034.17969 1997 1235739990.23438 1998 1313660034.17969 1999 1854630004.88281 2000 1175949951.17188 2001 1018390014.64844 2002 831520019.53125 2003 688650024.41406 2004 800349975.58594 2005 610580017.08984 2006 586059997.55859 2007 597590026.85547 2008 428519989.01367 2009 399209991.45508 2010 498619995.11719 2011 574270019.53125 2012 547609985.35156 2013 484049987.79297 2014 579099975.58594 2015 375880004.88281 2016 471519989.01367 2017 460679992.67578 2018 358589996.33789 2019 468850006.10352 2020 438399993.89648 2021 536150024.41406