Year % of GNI 1990 12.0265004032999 1991 11.2558030699465 1992 10.6255707517525 1993 9.89713947823237 1994 10.4124728338374 1995 11.390778292894 1996 11.2484727380763 1997 12.285110375538 1998 13.2867059536736 1999 13.7307558476059 2000 12.7337420244235 2001 12.6246184640592 2002 11.3920265521987 2003 11.056031481169 2004 11.1691708837828 2005 10.6869196681776 2006 11.167355172336 2007 11.5547248894985 2008 10.6869726862381 2009 7.8080615157106 2010 7.98731593575388 2011 8.76812641335057 2012 7.97140076868133 2013 7.82173841221738 2014 7.98269353524925 2015 8.83080794701769 2016 8.48151773974723 2017 9.09782631073042 2018 9.30031491160985 2019 9.5742271763707 2020 5.96989012490859 2021 9.25134693841546