Year constant 2010 US$ 2007 2073.93071717134 2008 2082.04283553377 2009 2182.20752052212 2010 2129.03271896361 2011 2148.04528451268 2012 2191.97061025795 2013 2203.00215055601 2014 2201.14150521483 2015 2243.1379158651 2016 2270.39584911757 2017 2490.61743383286 2018 2498.50081962773