Year	% of GNI
1990	10.2964622342598
1991	11.3743121756943
1992	15.0820811409371
1993	16.7808603696306
1994	14.1922649641655
1995	20.4187167454922
1996	21.0020401565966
1997	19.2665287599213
1998	19.0842107770141
1999	18.3895433322557
2000	19.2564319993518
2001	16.3679928644997
2002	22.974101721514
2003	23.6043597729643
2004	25.645823246009
2005	28.3597278058712
2006	27.2203430162284
2007	28.682387003981
2008	34.5612869088075
2009	35.7377822488096
2010	34.916864099221
2011	26.7714897405409
2012	31.5332742631018
2013	33.7764664080404
2014	36.1531901635205
2015	35.1155254264004
2016	29.0496343059071
2017	36.5924577225473
2018	36.9979841203903
2019	36.1112832317011
2020	26.4160896495927
2021	26.1235663041481