Year constant 2021 international $ 1990 35466.08435141475 1991 36571.737627660135 1992 36764.37744026923 1993 36477.10933452855 1994 36769.49513725324 1995 37648.4771099061 1996 38740.33611867833 1997 39027.36557503841 1998 38427.029436196135 1999 38228.845647841226 2000 39220.07797911906 2001 39276.7555766593 2002 39201.97577083505 2003 39718.69386257842 2004 40573.3302644675 2005 41301.3536778333 2006 41841.62791224373 2007 42413.77967389345 2008 41874.22976296978 2009 39495.16535611399 2010 41106.26124433721 2011 41192.27683706274 2012 41825.314251969605 2013 42725.55021404469 2014 42909.00566115678 2015 43624.92745271513 2016 43976.266400685054 2017 44749.638211516896 2018 45094.73331248416 2019 44976.5080765088 2020 43238.29661981294 2021 44549.33834114336 2022 45174.73192071385 2023 46268.41723240067