Year	% of GNI
1990	7.75363956986265
1991	9.52725485838294
1992	8.40409799405439
1993	9.43141413255064
1994	10.9229222644022
1995	12.6416969348042
1996	12.713660579904
1997	15.7885023251146
1998	15.4641709309827
1999	14.6857074026944
2000	16.7871088467403
2001	18.8736960990457
2002	16.1585614718127
2003	15.4771456297937
2004	17.8794948030429
2005	22.1244773663544
2006	23.5572791019408
2007	23.5402505979163
2008	23.1856021418176
2009	18.5264086853436
2010	20.201034735611
2011	20.4697218889521
2012	22.6741898640892
2013	22.3209419494908
2014	22.0473345717674
2015	19.2830254042899
2016	17.0760293491079
2017	17.3344550102115
2018	18.6980118162893
2019	15.8691418699392
2020	13.5808900722214
2021	20.2075954169296