Year constant 2011 international $ 2005 2733858035.33917 2006 4588233440.26395 2007 5035708322.87134 2008 5566591000.71985 2009 5654865945.17234 2010 6129350261.13676 2011 6375498220.58709 2012 6808574994.2385 2013 8025763044.30591 2014 8315357862.9855 2015 8475147453.18391 2016 8715711202.55338 2017 9073806806.18399 2018 9539482663.66453