Year constant 2021 PPP $ 1991 34437.38139604403 1992 34460.675324564065 1993 35045.84258406527 1994 36122.43908661896 1995 35940.713184467786 1996 36945.72787643946 1997 37530.26768273913 1998 37859.04037000627 1999 37573.98946067509 2000 38214.7832203692 2001 37373.713139494845 2002 36872.224982597036 2003 36842.44348884661 2004 37601.99696955263 2005 37997.35427011093 2006 38841.70432139723 2007 40092.25450948306 2008 40759.9543187956 2009 39466.73933787424 2010 41376.046900271824 2011 42510.88601124348 2012 42454.71047992459 2013 43072.00731949418 2014 43076.501149674725 2015 42814.53934707891 2016 42635.67892764503 2017 42828.53189240679 2018 42663.193456550965 2019 42195.22475386621 2020 42520.387214097835 2021 42853.80375949562 2022 42485.89286728853 2023 42568.91579791617