Year constant 2011 international $ 1990 244943997609.246 1991 247312689907.99 1992 253084985588.995 1993 257814165908.357 1994 263353811702.525 1995 275006816739.763 1996 284368484100.582 1997 292819476589.494 1998 307311747877.948 1999 324925160973.207 2000 338759917971.906 2001 349533307190.14 2002 360361196255.921 2003 374889214756.207 2004 393780151159.547 2005 411677197869.995 2006 425041966936.088 2007 448170412991.138 2008 470202415876.731 2009 472883456764.102 2010 488268236308.614 2011 507726439942.331 2012 522821725672.993 2013 532071463239.389 2014 545046529094.531 2015 557836998691.853 2016 573194235302.659 2017 586721331871.659 2018 603492634419.345