Year current international $ 1990 6180.985688495627 1991 5920.677521220406 1992 6188.891198436405 1993 6555.7359063874055 1994 7035.257483566072 1995 7680.088377738243 1996 8275.189147416104 1997 8934.97814153592 1998 9487.685484872054 1999 10040.898375232664 2000 10673.477711638074 2001 11123.00192056351 2002 11804.26626167513 2003 12289.143915558194 2004 13354.061550949014 2005 13896.793380251365 2006 15152.2460110485 2007 16806.650433685372 2008 18303.352919797577 2009 19239.372643138664 2010 20887.209367910193 2011 22658.377320862302 2012 23589.14757432886 2013 24319.880293506583 2014 25316.33154459485 2015 26822.664247840614 2016 28165.836552913333 2017 29958.120709207447 2018 32027.602733555774 2019 35487.91099589833 2020 36322.0437578784 2021 40462.68871221263 2022 46720.57301430669 2023 49463.99116942488