Year current US$ 2000 -7838221.28390812 2001 1547489.41429251 2002 4087239.42237185 2003 5146731.98186009 2004 4820469.37858371 2005 9951220.95893903 2006 9607036.50302116 2007 11842013.2010547 2008 15934062.939723 2009 14027250.9162291 2010 21423349.3459408 2011 -861687.220620303 2012 366883198.886445 2013 415522247.386142 2014 -1360062909.16479 2015 -3438999637.10157 2016 -4402817771.73063 2017 -5353657272.68928