Year current international $ 1990 17380.881687675206 1991 17835.358077427933 1992 18253.581634661266 1993 19215.96058749474 1994 20170.52539808826 1995 21038.666785302215 1996 22132.19290343562 1997 23124.963911723324 1998 24378.245310924452 1999 25485.391445939993 2000 26541.6653208437 2001 27645.81402897013 2002 29032.49095558881 2003 30121.81841773372 2004 31763.796092685396 2005 33036.583477024884 2006 34846.715630241844 2007 36653.841717944284 2008 37532.99904341326 2009 40312.39511869452 2010 39374.632104416305 2011 42025.46458156182 2012 42866.60432950846 2013 45936.049310435956 2014 46914.38670788361 2015 46292.09543911793 2016 47289.2859136343 2017 48418.55842168096 2018 50251.335338146906 2019 52746.7182896307 2020 54064.07946619472 2021 57406.17876045486 2022 65365.94851104499 2023 69114.73789450664