Year current international $ 1990 1450.0233538694197 1991 1590.3252598310694 1992 1768.1721745032569 1993 1975.8043668189518 1994 2202.841430155412 1995 2414.0200003253785 1996 2643.2420986935604 1997 2837.1773239623412 1998 2848.0041400556106 1999 3017.8581990786993 2000 3282.5626606651917 2001 3552.7005024967075 2002 3862.5093096414307 2003 4242.236267751199 2004 4702.313631298011 2005 5248.753965919869 2006 5957.353079585294 2007 6809.174200961041 2008 7478.332413851077 2009 7984.242979383091 2010 8776.003513225764 2011 9595.591116347576 2012 10468.141623802081 2013 11053.562467673115 2014 11697.322561595294 2015 12024.520660706648 2016 12614.964243372084 2017 13400.0399658766 2018 14462.993645040377 2019 15552.942725471412 2020 15808.269701236923 2021 17700.537247643424 2022 19611.338789618672 2023 21314.95985065316