Year constant 2011 international $ 1990 10155149712.9656 1991 10644448274.1515 1992 10923757161.4951 1993 11698575734.3149 1994 12288407967.913 1995 14168428721.2925 1996 15159683611.0309 1997 15558290995.8136 1998 16633133157.539 1999 17931589250.8103 2000 18286089398.0921 2001 18704846548.9944 2002 20257285173.7113 2003 20987587255.2837 2004 21501916302.6835 2005 22679455669.9278 2006 25481834438.752 2007 27881598225.4757 2008 28197577533.733 2009 33482448709.38 2010 34842052994.4209 2011 36951852485.4195 2012 39988571218.0843 2013 39990112731.7837 2014 40975312655.7157 2015 45557140041.0199 2016 45552850884.5649 2017 46739827319.19 2018 49081672002.6248