Year constant 2011 international $ 1990 9608.3044370322 1991 9855.20356552753 1992 9986.13309958027 1993 10208.3367147647 1994 10462.1682589721 1995 10436.322929665 1996 10619.1142714783 1997 11009.0370794378 1998 11061.6727208556 1999 10873.4859381017 2000 11188.2023969582 2001 11084.0512384782 2002 10906.8392353618 2003 10941.18247205 2004 11369.7193405564 2005 11708.08054841 2006 12298.2765704474 2007 12870.5776218045 2008 13234.5021857613 2009 12795.120484194 2010 13368.1421261147 2011 13821.6942558177 2012 14095.6032838459 2013 14370.2610468216 2014 14411.6367681701 2015 14364.3747901495 2016 14224.5361512907 2017 14333.2743273634 2018 14394.0019530243