Year constant 2021 international $ 1990 1514.3073519589652 1991 1459.780121769775 1992 1323.2313215178863 1993 1285.7985953103794 1994 1307.0421695201953 1995 1363.1515878440318 1996 1274.8291116189544 1997 1305.558347749886 1998 1329.781842839389 1999 1339.853506907097 2000 1270.4196149402444 2001 1297.5920518681357 2002 1315.145557445634 2003 1214.4403128339313 2004 1259.6246703830368 2005 1242.7685922989838 2006 1276.132794853593 2007 1310.1527731591366 2008 1309.6295364008963 2009 1391.7746604273427 2010 1426.373967645683 2011 1463.6056773660112 2012 1524.2744509613347 2013 963.6814094395446 2014 965.2051011374169 2015 1002.7627646420871 2016 1032.2249298025745 2017 1058.969088095631 2018 1077.9481471194724 2019 1086.927560941068 2020 1069.2674273648713 2021 1057.194395030259 2022 1039.2706688651654 2023 1018.5264985523129