Year	% of GNI
1990	10.3283296247214
1991	8.04111480567673
1992	6.77905935455939
1993	10.8645922660094
1994	13.5511242313081
1995	12.6808296321014
1996	15.2391197040763
1997	18.075661079664
1998	23.9093565551949
1999	22.2793581015337
2000	20.1527051758066
2001	21.2811881078434
2002	20.8359176530247
2003	18.5115683841081
2004	19.5653477881177
2005	17.8631691726658
2006	18.2548089187984
2007	17.6696128432713
2008	16.8052297080464
2009	14.8864832007172
2010	15.07441258817
2011	13.710377832812
2012	14.08466997525
2013	14.6431436713451
2014	15.9801922722289
2015	18.2219838221346
2016	18.1528218285665
2017	18.2687899563223
2018	19.7806157938631
2019	19.675438351597
2020	17.4312745759205
2021	21.5758376864267