Year constant 2011 international $ 1990 85176419940.0821 1991 84154306674.2834 1992 76075492058.7773 1993 70293753260.8393 1994 61995811105.6172 1995 55485955040.3185 1996 57094620581.1879 1997 63443333556.8076 1998 68763790937.9138 1999 71224308797.4394 2000 75339387092.7454 2001 78865576159.7015 2002 82968597793.3272 2003 89030007544.2883 2004 99202885469.0679 2005 108594379657.41 2006 118978560884.451 2007 128552734610.953 2008 141101126875.472 2009 140358542907.247 2010 151643380658.025 2011 159291474012.518 2012 161548857314.633 2013 160975918213.33 2014 164571573298.173 2015 156106230637.238 2016 151991344099.518 2017 157120410316.381 2018 161617019849.7