Year constant 2011 international $ 2006 5429078360.42543 2007 6069524773.10492 2008 6746575552.29763 2009 5785404861.59458 2010 5900890017.92753 2011 5928216158.20613 2012 5696716506.90671 2013 5787210479.67392 2014 5952660936.30081 2015 6085132662.71737 2016 6411397529.55122 2017 6663696855.78086 2018 6962262511.93396