Year % of GNI 1984 13.7733896861065 1985 14.161000058237 1986 13.9743777970091 1987 14.1414965449027 1988 14.8096453456681 1989 14.0446288029351 1990 14.7969679331626 1991 17.1463704376495 1992 18.977163037612 1993 14.4505842924856 1994 12.8047111167061 1995 11.7078448745938 1996 10.7401069219111 1997 11.6519833706246 1998 10.435711658258 1999 10.0150030302585 2000 10.0108309299101 2001 10.0014978529746 2002 10.1545649046269 2003 10.0404274128971 2004 10.2731808076885 2005 10.1752746945409 2006 9.83920885940672 2007 11.7516661924554 2008 12.0185023052979 2009 12.6262129730238 2010 12.6371282050003 2011 13.7657832056133 2012 14.4884979229912 2013 14.069495445966 2014 14.3654632027178 2015 16.8158108752494 2016 16.5407992645933 2017 16.9878156343954 2018 16.7413159207942 2019 17.0179678606037 2020 17.0728278543884 2021 17.018449859774