Year constant 2011 international $ 2000 19786628742.1937 2001 20882522537.6209 2002 21011451219.4359 2003 23917952155.1341 2004 25395586960.6308 2005 26102452472.6685 2006 27395102647.735 2007 32680057483.1762 2008 34518692597.7548 2009 38815941618.5961 2010 40362014571.1976 2011 39940260264.4471 2012 41958739118.4084 2013 43234273170.1247 2014 45651715103.2486 2015 46971911171.4646 2016 57095786462.0133 2017 57613743427.2177 2018 58247736206.0556