Year constant 2011 PPP $ 1991 16808.302734375 1992 16747.87109375 1993 16068.025390625 1994 14404.486328125 1995 14705.3583984375 1996 14865.673828125 1997 14376.205078125 1998 14466.9931640625 1999 13563.939453125 2000 14131.0078125 2001 14228.662109375 2002 14542.6953125 2003 14189.212890625 2004 14204.8232421875 2005 14743.7724609375 2006 14840.5107421875 2007 13771.091796875 2008 13966.3271484375 2009 14494.5029296875 2010 14909.7783203125 2011 14661.681640625 2012 14540.30859375 2013 14707.6220703125 2014 15282.33984375 2015 15352.6162109375 2016 14531.0126953125 2017 13575.0380859375 2018 13610.6982421875 2019 13040.802734375