Year constant 2011 international $ 1995 4946225079771.6 1996 5397597893977.02 1997 5804512564623.22 1998 6071099311077.69 1999 6501131782277.43 2000 7047300646860.44 2001 7531635828160.48 2002 8173235012637.13 2003 8941827364856.44 2004 9797499096113.71 2005 10719632297802 2006 11977700417652.5 2007 13539092797568.9 2008 14732504767291.6 2009 15773895250519.4 2010 17340330940207.6 2011 18774531664187.3 2012 20250752561124.4 2013 21587032516213.8 2014 23187322840990.3 2015 24588134017511.7 2016 26148372523367.2 2017 27849311488940.6