Year % of GNI 1990 1.00085988941378 1991 1.1408086851754 1992 1.06911756325868 1993 1.22855564075131 1994 1.1876687799821 1995 0.948228795774437 1996 1.03744994702245 1997 1.15576460451296 1998 1.07178178002966 1999 1.23239769885072 2000 1.44978142748851 2001 1.40489430947453 2002 1.33406563832508 2003 1.17906348209186 2004 1.05008510218206 2005 1.05180678844621 2006 1.03474245341498 2007 0.953988354071005 2008 0.831932602483897 2009 0.883848252720826 2010 0.887576776731153 2011 0.802275869621009 2012 0.886812413324042 2013 0.877872926848819 2014 1.01420872383917 2015 1.20423445613643 2016 1.2828283482371 2017 1.23631980582993 2018 1.14295242556005 2019 1.19472095078049 2020 1.22486453398007 2021 1.22336882821158