Year constant 2011 international $ 1990 1095.59154498949 1991 1165.2939649022 1992 1223.52815778529 1993 961.948336902832 1994 1054.50886035623 1995 1036.42352029985 1996 1020.74526912329 1997 1036.84430224782 1998 1083.98168931225 1999 1037.87740770912 2000 978.045509869383 2001 1050.38375820208 2002 1073.8174479339 2003 976.154027306857 2005 1514.2568776819 2007 1493.07436150998 2008 1443.66350387729 2009 1668.84898418369 2010 1850.27946756053 2011 1804.807239267 2012 1902.36119455951 2013 1899.15512476886 2014 1970.80822465159 2015 1999.18754953547 2016 1835.81761955247 2017 1735.95796537624