Year constant 2011 international $ 1990 84693.3369699 1991 84900.1982264864 1992 86445.6867488517 1993 84311.3134736275 1994 84627.927816406 1995 86138.6253791603 1996 86433.8070082535 1997 83159.5438876726 1998 80833.0879924194 1999 81495.8832320835 2000 82068.2976162848 2001 82616.9375328356 2002 84146.0606385298 2003 84993.8245553396 2004 83963.2380663136 2005 82977.1111560941 2006 85421.5590866792 2007 84480.7770109541 2008 81869.1760781014 2009 79485.0015805958 2010 80556.1807175419 2011 82502.9352973488 2012 82149.9097964176 2013 79323.4374535226 2014 76448.5933286697 2015 75073.9365712816 2016 72369.5233674193 2017 72523.8359973272 2018 71802.4553497997