Year constant 2011 international $ 1990 10119313291711.3 1991 10087986640470.5 1992 10416027681523.4 1993 10701509977606.7 1994 11120806720769.9 1995 11425622164985.3 1996 11839648457359.9 1997 12354298560342.6 1998 12890773993120.3 1999 13516504412827.1 2000 14102947973003.4 2001 14266463416159.6 2002 14526952487057.3 2003 14943439422676.1 2004 15524385850848.2 2005 16060486512260 2006 16486912430018.3 2007 16860208282998.5 2008 16896548908371.1 2009 16451375080930.2 2010 16925413115664.9 2011 17240385928526.8 2012 17609754311683.3 2013 17935884054499.9 2014 18381696663513.6 2015 18857940219823.3 2016 19136258811569.6 2017 19592112159301.9