Year current international $ 1990 2543.762164408468 1991 2381.6121769679853 1992 2074.734486957653 1993 1795.0530371906484 1994 1465.6626967461511 1995 1401.1734086297445 1996 1505.4611974036989 1997 1658.894170014002 1998 1687.0529430711172 1999 1747.3140157963771 2000 1861.8511534458953 2001 1986.1505138057928 2002 1998.2394821849307 2003 2158.2000974943776 2004 2343.4364081297235 2005 2385.61294881726 2006 2508.3754699685906 2007 2769.887198131031 2008 3031.5105995541057 2009 3100.587181459833 2010 3086.431769398927 2011 3297.366837336523 2012 3617.401103582078 2013 4041.220216587507 2014 4279.166799793081 2015 4211.342272615937 2016 4676.333886514615 2017 5040.429586507054 2018 4869.588492422565 2019 5414.327152959839 2020 5294.015746933252 2021 5802.38897216037 2022 6572.38276138415 2023 7102.767219456976