Year constant 2021 international $ 1990 2776.2333571208937 1991 2849.723249735751 1992 2887.720202549282 1993 2954.6281923305087 1994 2980.9859773976345 1995 3032.7414426808414 1996 3100.2967915083236 1997 3155.413736535527 1998 3224.879659407537 1999 3285.648637256834 2000 3322.5442485296144 2001 3364.750641727931 2002 3420.842750100934 2003 3502.355444381774 2004 3601.083666893852 2005 3713.448547941549 2006 3848.193923891934 2007 3912.197567445584 2008 4161.7141160795345 2009 4254.086191819687 2010 4478.159037499306 2011 4984.194264107005 2012 5314.962924974078 2013 5565.445021522738 2014 5588.230006152133 2015 5573.402592453387 2016 5628.202046526486 2017 5951.208958332158 2018 6187.445017622338 2019 6453.875023380053 2020 6354.379728652271 2021 6544.238199968804 2022 6663.597990199511 2023 6729.932802856826