Year constant 2011 international $ 1990 265560454351.037 1991 231254795241.228 1992 210980159035.572 1993 214205696487.975 1994 222628141797.477 1995 236505692582.401 1996 245747630470.064 1997 233831173691.495 1998 229084838350.315 1999 228221965781.398 2000 233839109631.105 2001 246041152993.197 2002 260072859405.04 2003 266161548206.962 2004 293917175264.703 2005 307637664152.932 2006 332337311006.364 2007 356377953144.908 2008 389547714137.744 2009 368054830341.204 2010 353696141768.956 2011 360795375961.993 2012 368289691256.681 2013 381233423245.001 2014 394236567537.967 2015 409499524256.016 2016 429158777033 2017 459162956060.972 2018 477968773602.629