Year constant 2010 US$ 2002 322.354998840534 2003 332.850620954062 2004 344.005847863427 2005 347.697274035089 2006 345.32995496297 2007 311.520187180097 2008 334.901303388885 2009 324.138686569561 2010 359.091498657894 2011 395.317964246713 2012 434.842422202813 2013 381.898900420607 2014 411.577414394922 2015 419.830163951443 2016 484.598394445055 2017 511.099974407689