Year constant 2010 US$ 2006 11980.7610035428 2007 10943.3365620652 2008 10319.9807119266 2009 11115.9231928682 2010 10000.7665079016 2011 9809.63965731273 2012 9865.55064177951 2013 9904.63463098406 2014 10912.1311221885 2015 10506.6463567016 2016 10873.0924059304 2017 10242.1355075369 2018 10082.7129947225