Year constant 2011 international $ 2007 5698563540.08815 2008 5976776644.61172 2009 5843791312.82805 2010 6073950514.22035 2011 6103484710.24303 2012 6284405971.86302 2013 6333913065.64026 2014 6376983956.19226 2015 6623236968.04152 2016 6944853087.27511