Year constant 2011 international $ 1990 170282680421.373 1991 180342998479.387 1992 210871151520.534 1993 193486634892.089 1994 174423729458.708 1995 183072958505.564 1996 219656601318.078 1997 212535111620.471 1998 211826454158.673 1999 193738844668.854 2000 197165196905.912 2001 314256692724.837 2002 362090182525.787 2003 401079369908.544 2004 401989112732.472 2005 453253510236.325 2006 391081060353.275 2007 526330256951.613 2008 442232610810.646 2009 540773182496.727 2010 550181694634.023 2011 533367121713.763 2012 533397310567.814 2013 645757392356.208 2014 649720410930.536 2015 647657824499.504 2016 621392759134.698 2017 615474415689.827