Year constant 2021 international $ 1990 8697.749513766212 1991 9043.569475918066 1992 9134.42248942374 1993 9895.09130901879 1994 9930.535816971584 1995 10061.870181068805 1996 9957.092296743756 1997 9758.54453678584 1998 9450.779562621083 1999 9477.316224111919 2000 9502.275765039645 2001 9581.656632870328 2002 9725.469795095234 2003 10033.421784739532 2004 10116.6385886035 2005 10158.104914245287 2006 10402.86919612325 2007 10506.672536477789 2008 10382.365968896485 2009 9890.991080615997 2010 9705.882895397788 2011 9829.703704992477 2012 9721.072995748447 2013 9724.491466366246 2014 9751.436967720512 2015 9806.422982381984 2016 9912.020058004282 2017 9990.604364633577 2018 10166.896873277288 2019 10250.550262553363 2020 9211.849012444358 2021 9610.98933709822 2022 10113.966460710815 2023 10343.18546931341