Year constant 2011 international $ 1990 177493933648.547 1991 180282906407.512 1992 185753966160.183 1993 197084922585.793 1994 208758197541.968 1995 220122210907.968 1996 222417993308.035 1997 227770985514.358 1998 225932954433.424 1999 213741054617.738 2000 218009737277.002 2001 221384937419.462 2002 225812859913.339 2003 232456981108.585 2004 241438123549.421 2005 251243768016.262 2006 267306186740.31 2007 286508215484.755 2008 298180093345.095 2009 300986050013.961 2010 316474909617.15 2011 337328343892.16 2012 355186834368.54 2013 369351638268.973 2014 386433379952.661 2015 398383550480.385 2016 404692466715.559 2017 413050370873.09 2018 427560211010.598