Year % of GNI 1995 6.44530781458792 1996 5.95863575150065 1997 7.15399218987334 1998 7.21143192445284 1999 7.02137473685329 2000 5.88846920356925 2001 6.86369622845689 2002 7.13464076581049 2003 6.78203536632586 2004 7.00970532580977 2005 7.68803462778305 2006 9.96512877994151 2007 11.0517281045014 2008 9.76865350371706 2009 3.02154516344505 2010 2.02856053789605 2011 1.57047963243892 2012 -0.718438241913559 2013 0.789413650839874 2014 3.77304181108241 2015 2.60198677990888 2016 3.53410259133299 2017 7.29332219525207 2018 8.76981427487495 2019 8.46773412334669 2020 8.2004587517853 2021 7.76536389703074