Year constant 2010 US$ 2006 3465974740.2575 2007 3539603545.05757 2008 3725663876.33912 2009 3924464088.95487 2010 4128207043.73512 2011 4348127354.53358 2012 4530733133.5422 2013 4715012516.26497 2014 4883395103.35894 2015 5230248253.28738 2016 5520093971.74586 2017 5770397845.59516