Year constant 2011 international $ 1990 28171867760.836 1991 26414631685.4341 1992 24966829666.5427 1993 23744148416.95 1994 20423861448.8885 1995 18043377890.3852 1996 19005572235.4543 1997 21071690746.8316 1998 23863164405.9997 1999 26033612624.0094 2000 28045518818.0135 2001 32899167088.8084 2002 36531310218.8692 2003 39158841119.001 2004 42840081706.5195 2005 49112704457.4276 2006 55352151474.7253 2007 62752233073.0906 2008 73000466382.1631 2009 73000612016.6559 2010 79900703900.2283 2011 81664735359.2063 2012 90392198489.2563 2013 100020703787.864 2014 104303012484.858 2015 101883359093.916 2016 98633893229.6817 2017 103251449498.269 2018 111695856061.512