Year constant 2010 US$ 2006 5421041224.85844 2007 5756362577.49962 2008 5584551760.80727 2009 5581552846.04276 2010 5480756687.23924 2011 5700535994.33942 2012 6148644973.48679 2013 6674179812.47502 2014 6525816660.1798 2015 6817638691.08199 2016 7136900490.36186 2017 7341664872.14385 2018 7952223608.31733