Year constant 2011 international $ 1990 306805965985.298 1991 313562111552.367 1992 318306479471.911 1993 318306031341.546 1994 330979855298.848 1995 338065526609.033 1996 343843383166.098 1997 356960187167.601 1998 364019336928.669 1999 376559132414.248 2000 391110725117.13 2001 391531459773.977 2002 397916214689.697 2003 401705449491.141 2004 414082704003.946 2005 422084986732.358 2006 433428174464.222 2007 448181847330.916 2008 456125686978.251 2009 436282330007.973 2010 461807949462.989 2011 460300440792.344 2012 467880535312.299 2013 465215121012.13 2014 466654571332.4 2015 468978416132.681 2016 478868003942.757 2017 492541372966.794