Year current US$ 1997 19999.9995529652 1999 259999.990463257 2000 300000.011920929 2001 509999.99046325695 2002 670000.016689301 2003 839999.973773956 2004 720000.028610229 2005 1139999.98569489 2006 1990000.0095367401 2007 1100000.02384186 2008 1389999.98569489 2009 289999.99165535 2010 39999.9991059303 2012 29999.999329447703 2013 109999.999403954 2016 59999.9986588955 2017 59999.9986588955