Year constant 2011 international $ 2002 19989799505.5498 2003 22010122816.216 2004 27030709734.0277 2005 28915820070.0555 2006 31573637095.6086 2007 39615230235.5821 2008 37204970239.792 2009 38048517292.6836 2010 46899993607.9676 2011 55491749223.7671 2012 59554731819.3814 2013 64938287712.4725 2014 65203737950.4626 2015 54797026079.4767 2016 54275280759.5378 2017 59664012854.2439