Year constant 2010 US$ 2003 8260.77939750914 2004 8579.72673004026 2005 8758.24502670789 2006 9709.96959347386 2007 10438.5144086818 2008 10858.7748564632 2009 10746.2393083806 2010 11256.1504892077 2011 11922.9255734793 2012 12164.0470953414 2013 12461.5731802877 2014 12675.1076314368 2015 13221.4298470122 2016 13263.7989777587 2017 13298.7538233437