Year constant 2010 US$ 2000 9801.0383492155 2001 9461.83807521838 2002 10087.213884655 2003 10253.8704722559 2004 11368.2837781992 2005 13153.1418552229 2006 14183.9537249934 2007 14744.8641036807 2008 16657.9745430764 2009 14279.6589149181 2010 15762.7986520568 2011 17946.0204683394 2012 18268.4351228954 2013 17636.4883031646 2014 17008.6675727697 2015 14837.9871376133 2016 14592.8894507752 2017 14332.021199235