Year constant 2011 international $ 2001 38453462121.245 2002 38301342215.1825 2003 39810913713.1874 2004 41602616977.5753 2005 43301619261.2064 2006 44965637373.3882 2007 46616152597.0518 2008 49438717861.2447 2009 51789804959.367 2010 54078181242.8481 2011 55810345453.6615 2012 58628923738.2793 2013 61027560627.8292 2014 65279561874.3756 2015 67422169498.6632 2016 67773801029.9757 2017 72908718492.6292 2018 77191097806.2008