Year constant 2011 international $ 1990 1274.09311259646 1991 1393.13579491323 1992 1315.57089384255 1993 1321.92718868062 1994 1335.49149152497 1995 1312.53170535901 1996 1369.15863157984 1997 1398.76275218919 1998 1466.01300020141 1999 1508.47635651685 2000 1465.75902021165 2001 1642.35291628856 2002 1643.03769249594 2003 1738.13430326558 2004 1710.10774976635 2005 1763.89778507834 2006 1786.30911017129 2007 1788.03496206565 2008 1812.04552060727 2009 1835.97156484773 2010 1875.18554002001 2011 1877.89282805323 2012 1808.01166779929 2013 1796.77182156821 2014 1868.313532798 2015 1922.43399960672 2016 1974.3109904019 2017 2019.44105826559 2018 2055.62291230398