Year constant 2011 international $ 1990 248421429896.965 1991 246984722686.794 1992 247818550594.715 1993 253063152372.195 1994 264166610313.703 1995 276526152956.234 1996 292691521975.619 1997 307868637739.823 1998 306093103439.081 1999 315526637170.441 2000 329445218110.156 2001 338979320097.989 2002 351338178376.399 2003 368800981212.617 2004 393501882817.053 2005 412302095643.823 2006 433918931065.588 2007 462629881321.33 2008 481841775375.039 2009 487374919733.03 2010 524572664077.3 2011 543770720548.511 2012 580115370639.332 2013 621094861179.511 2014 659262996142.146 2015 699257508213.838 2016 747394779927.743 2017 797302466703.702 2018 847083941738.375