Year % of GNI 1990 1.0624487257692872 1991 1.0916945925620118 1992 1.171376244600868 1993 1.2930395017238385 1994 1.3076318612220748 1995 1.2017324274264558 1996 1.223023442232724 1997 1.2676157434420663 1998 1.3160431136375546 1999 1.331821188209906 2000 1.6197928225726956 2001 1.741036645013648 2002 1.6670342440184578 2003 1.5897677836995585 2004 1.4606179148036553 2005 1.4244187065731013 2006 1.408294345850805 2007 1.33172610310782 2008 1.297048941790802 2009 1.6380114230455927 2010 1.49141548021571 2011 1.3897436023055119 2012 1.4553894848304536 2013 1.4631160062676285 2014 1.5010087020870129 2015 1.6118845458272273 2016 1.6602052032300167 2017 1.609013823312953 2018 1.5616080321210812 2019 1.5699986171242453 2020 1.689994653747937 2021 1.2516040716814076