Year	% of GNI
1996	16.492218705286696
1997	16.217744258729894
1998	14.375421584261382
1999	12.584385880112935
2000	12.756801835778703
2001	11.779062979863268
2002	11.660117506383761
2003	12.596198011845937
2004	13.637290500734762
2005	13.765031479528343
2006	14.787427181528026
2007	16.18845736035049
2008	14.999670873180353
2009	14.152493677561047
2010	15.296420807302708
2011	13.913293168233
2012	14.545817739591362
2013	14.880019523607828
2014	15.291505364718475
2015	15.391250288798851
2016	14.957131567700332
2017	15.663898940718147
2018	14.668210965992893
2019	13.65621853175287
2020	12.943433052072358
2021	13.514100237117567