Year constant 2011 PPP $ 1991 11579.365234375 1992 6604.34521484375 1993 4714.40087890625 1994 4405.26220703125 1995 4573.7099609375 1996 5430.19677734375 1997 6120.43896484375 1998 6608.8369140625 1999 6807.31005859375 2000 6967.34423828125 2001 7090.31591796875 2002 7875.4677734375 2003 8485.9609375 2004 9304.96484375 2005 10406.1103515625 2006 11411.181640625 2007 12843.9892578125 2008 13958.33984375 2009 13621.83203125 2010 14228.4970703125 2011 15216.25390625 2012 16123.15234375 2013 17035.251953125 2014 17486.439453125 2015 17844.759765625 2016 18675.474609375 2017 19735.90234375 2018 20733.0703125 2019 21660.1640625