Year current international $ 1994 2201.0974055927963 1995 2301.803751178536 1996 2268.535852331997 1997 2530.248295185647 1998 2851.6457916571107 1999 3052.465576513966 2000 2782.503526233605 2001 2515.1574513341952 2002 2178.8454391879914 2003 2469.3645456944046 2004 3013.7394195067586 2005 3371.9024802949616 2006 3354.428465792714 2007 3485.61271820709 2008 3713.132158516753 2009 3950.2797834788885 2010 4120.860663409351 2011 4494.7313227255 2012 5214.648653991265 2013 5287.847461196298 2014 5381.636909874754 2015 5769.982366332021 2016 6062.232748445774 2017 6106.645740371221 2018 6215.816473173963 2019 6508.448350803184 2020 5956.2862006481855 2021 5663.121607435843 2022 6158.160093085799 2023 5888.3943110335495