Year constant 2021 international $ 1990 9114.35426308974 1991 9295.166428893705 1992 9293.461530137178 1993 9290.75216998054 1994 9503.002377842044 1995 9537.17894213214 1996 9526.39152849431 1997 9762.407842161248 1998 9906.231936355243 1999 9275.287817156464 2000 9217.29492295712 2001 9441.235760410833 2002 9735.909611144225 2003 9843.102509185988 2004 10334.276636768645 2005 10705.966977806062 2006 10980.11113614824 2007 10998.400014705569 2008 11522.388262134094 2009 11453.76158179767 2010 11719.052539075434 2011 12505.972845588949 2012 13018.908313649821 2013 13745.471571407668 2014 14115.387318638122 2015 13924.687647775572 2016 13623.907313932246 2017 14214.778887875773 2018 14094.179370430511 2019 13850.450204287708 2020 12394.97330352586 2021 13452.008772325282 2022 14122.875315383066 2023 14304.92184645406