Year constant 2010 US$ 2004 24896667.9545134 2005 25832471.4413012 2006 41385760.4671769 2007 33227481.1007343 2008 28081795.3440302 2009 60766716.4762268 2010 72254796.2165756 2011 31824573.9662538 2012 21075530.8452584 2013 43689645.0942092 2014 33471263.0603875 2015 34264715.2957351