Year constant 2010 US$ 2006 479.201696190235 2007 489.593032471198 2008 477.017542862339 2009 425.162594723167 2010 482.933104295124 2011 482.506677169155 2012 523.833486410127 2013 545.241044205631 2014 567.510460886317 2015 566.103734957372 2016 617.589011505152 2017 812.169677174756