Year constant 2021 international $ 1994 39452.03319181174 1995 40379.10831020639 1996 41538.650757197225 1997 41735.46150116886 1998 41210.67098622156 1999 40932.111236448145 2000 41849.83571161134 2001 41968.38522187282 2002 41828.03553750471 2003 42294.585471649145 2004 43137.55661787407 2005 43708.539877068084 2006 44065.92301121959 2007 44593.16405165504 2008 43158.25606844423 2009 41282.3186960951 2010 42697.70812873561 2011 42381.81014023091 2012 42888.81751463789 2013 43921.64277929418 2014 44147.97475110321 2015 45665.37188880706 2016 46232.078538467096 2017 46868.46444381314 2018 46930.16417916325 2019 46914.56325580581 2020 45394.73338118713 2021 46678.916605017126 2022 46656.392462726544