Year constant 2011 international $ 1995 11408675171.6218 1996 11230295902.3319 1997 11343557084.3504 1998 10563432915.6953 1999 10208447602.4016 2000 10381739409.5507 2001 11518774095.851 2002 12430537670.5902 2003 13892266191.4676 2004 15046349762.3564 2005 16023558742.6008 2006 16753690475.2289 2007 16909769637.6751 2008 18268615887.0527 2009 16574592267.905 2010 18070975834.9331 2011 19070103890.518 2012 19414829099.7949 2013 21193270175.7459 2014 22092470332.6698 2015 21438167506.1881 2016 22347469950.453 2017 23433704695.4707 2018 24229401420.9306