Year constant 2010 US$ 2003 5358.31825623934 2004 5549.50410393145 2005 5743.74578608692 2006 6694.61006565961 2007 7310.13540432111 2008 7919.9118614676 2009 7238.71129207416 2010 7819.21235862136 2011 8969.37843323366 2012 9218.98748150485 2013 9510.32548728523 2014 9545.40251129119 2015 9173.34536491568 2016 9018.64906931691 2017 9268.20686312856