Year current US$ 1995 80690699555.8179 1996 90160082201.4172 1997 87966992512.7203 1998 77116215998.8064 1999 85613140791.0897 2000 92771130092.8338 2001 95032874662.6601 2002 104527663439.535 2003 105505110179.712 2004 137536053464.256 2005 148420383829.893 2006 162210770627.752 2007 193594066426.116 2008 215171189985.088 2009 204625458535.761 2010 250379268463.969 2011 291239332795.681 2012 319581195684.376 2013 347350175760.439 2014 354982365375.378 2015 341322505041.764 2016 357708277269.54 2017 372953582475.116