Year constant 2011 international $ 1990 3567385413539.57 1991 3842484533359.29 1992 4237263235947.7 1993 4679019648667.13 1994 5159650890490.04 1995 5653225157632.53 1996 6149801316517.28 1997 6562725148791.65 1998 6619313684595.71 1999 7006611940423.57 2000 7521774999600.64 2001 8009716803835.07 2002 8623094423546.25 2003 9357511872673.3 2004 10175867308549.3 2005 11136377211095.7 2006 12298538895358.4 2007 13746480838854.5 2008 14876179169978 2009 15978410934821.8 2010 17511781857090.1 2011 18957322899077.5 2012 20367829466217.5 2013 21813311636983.7 2014 23263481589346 2015 24759988863611.3 2016 26319994602379.2 2017 28010226177476.2 2018 29769446916087.7