Year current international $ 1990 3384.9554514283222 1991 3418.1397552656726 1992 3470.5307197460725 1993 3554.4729200498737 1994 3716.407103604585 1995 3978.11371674585 1996 4120.108432504633 1997 4246.412393733579 1998 4342.731953391159 1999 4475.323345655576 2000 4602.453368894226 2001 4705.947659405931 2002 4943.720734754718 2003 5197.429905424648 2004 5494.4545462003625 2005 5972.358544996552 2006 6490.0318630678175 2007 6921.234364750812 2008 7074.29571594271 2009 7196.207956930368 2010 7525.387057190262 2011 7814.5184416643315 2012 8076.337180850718 2013 8567.039896872624 2014 8715.031268273384 2015 8792.214728007006 2016 8750.877726589191 2017 8519.584385708076 2018 8640.083597942945 2019 9083.437860865935 2020 9077.231980209084 2021 10202.509608722763 2022 10887.003868893204 2023 11740.815277329413