Year constant 2010 US$ 2006 6865389108.03822 2007 7229185473.1006 2008 7525123567.38765 2009 7387246221.54888 2010 7735108848.14244 2011 8708740028.08407 2012 9460756539.7244 2013 10313490879.2244 2014 10264211914.1721 2015 11006996155.2485 2016 14415179532.1824 2017 13146622720.5184 2018 13911982457.4588