Year constant 2021 international $ 1990 4476.778320023663 1991 4179.329741449709 1992 3932.6090300482642 1993 3516.8169749227936 1994 3481.854776883836 1995 3484.2428162500687 1996 3533.8304168006316 1997 3596.8815161395573 1998 3668.5893281615067 1999 3733.8301663286943 2000 3776.0645181635723 2001 3837.2246366754716 2002 3903.0165050371415 2003 4005.0465104242808 2004 4171.285154924172 2005 4149.262679605739 2006 4191.792356073187 2007 4253.266856097064 2008 4252.029944394129 2009 4239.289925160486 2010 4239.568988682668 2011 4260.484761476065 2012 4333.843562725463 2013 4424.100615183599 2014 4537.309044670499 2015 4645.877658131699 2016 4713.439529030795 2017 4743.9926395405555 2018 4797.210521943819 2019 4828.067293151809 2020 4711.110529307499 2021 4741.761770286576 2022 4785.68319705185 2023 4849.494853196569