Year constant 2011 international $ 2000 184921450383.918 2001 187692141375.817 2002 191941029788.983 2003 200596549943.048 2004 214186685555.579 2005 235729664043.534 2006 261632222633.027 2007 295852347366.358 2008 331864001027.016 2009 361451580948.283 2010 375395452729.728 2011 381864012524.316 2012 426427093955.448 2013 440137998424.754 2014 467131818609.485 2015 498718604627.079 2016 503298336037.876 2017 519552515242.175 2018 528713470681.888