Year constant 2010 US$ 2005 4186236200.18082 2006 4873833090.0764 2007 6869659671.50262 2008 8259460518.06192 2009 7413078545.56993 2010 9601437175.56034 2011 7740413144.76002 2012 9583392719.55328 2013 7890639660.96572 2014 7445376760.19354 2015 6294858247.07281 2016 5269649304.2816 2017 5328777980.05816 2018 5559930779.44256