Year constant 2011 international $ 1990 8124.11679911358 1991 8474.85985403062 1992 8555.58669389392 1993 8469.6453250893 1994 8333.25138620704 1995 8427.4651086985 1996 8642.1214487153 1997 8686.26828919619 1998 8916.88765099218 1999 8935.254908241 2000 9244.91562092889 2001 9358.88014267105 2002 9653.94674643447 2003 10078.8628618417 2004 10358.3617829225 2005 10542.6004944448 2006 10946.2857141572 2007 11587.0422246003 2008 11759.9350387815 2009 11803.0169119162 2010 12124.4467385164 2011 11586.8589275087 2012 11197.8046861352 2013 11151.2760990496 2014 11341.138900878 2015 11351.6263658397 2016 12062.3241939804 2017 12231.0132980717