Year constant 2011 international $ 1990 2709.27324617138 1991 2695.71842325624 1992 2707.49243110052 1993 2674.42957279066 1994 2690.2591714878 1995 2759.12839607014 1996 2858.49910663962 1997 2912.12605842305 1998 3004.72858168443 1999 3125.55031355655 2000 3198.02312874252 2001 3301.06417077359 2002 3404.10143688874 2003 3568.9264107577 2004 3764.87853196036 2005 3940.68689676537 2006 4173.2112657755 2007 4403.83260860463 2008 4512.65299261832 2009 4663.44914486043 2010 4901.08178449238 2011 5060.37015426696 2012 5236.25132471295 2013 5436.20529197899 2014 5684.79968496409 2015 5941.89576964185 2016 6214.81558389033 2017 6471.50368850982 2018 6777.40451111261