Year constant 2011 PPP $ 1991 16813.28515625 1992 18215.888671875 1993 19106.423828125 1994 19152.267578125 1995 19772.712890625 1996 20441.744140625 1997 21700.52734375 1998 22525.78125 1999 23324.689453125 2000 23844.119140625 2001 24086.234375 2002 24469.78515625 2003 23707.1171875 2004 23666.353515625 2005 25374.150390625 2006 26323.560546875 2007 27709.8515625 2008 27746.462890625 2009 28767.767578125 2010 29721.77734375 2011 29269.01953125 2012 29767.73046875 2013 30762.21484375 2014 32141.107421875 2015 32571.56640625 2016 33864.87890625 2017 34284.6171875 2018 35298.09375 2019 36326.68359375