Year	% of GNI
1986	16.015182634498508
1987	15.887195587735738
1988	15.249342933915216
1989	14.827308219827147
1990	14.171679892251568
1991	13.719317283359407
1994	18.051479547501174
1995	17.105688774235972
1996	16.70402843029245
1997	17.30617691310234
1998	18.481077838243998
1999	18.483824867243598
2000	19.42416309853464
2001	20.176301751920928
2002	20.81322988205627
2003	21.347405453301704
2004	22.23289169024141
2005	19.66091677735031
2006	20.208220257270067
2007	19.77564335554398
2008	23.007336888936777
2009	20.63483728115809
2010	21.50448480466061
2011	22.49167199857611
2012	24.769907241896792
2013	20.828351041024465
2014	23.106723749747285
2015	21.630572795806298
2016	22.010394404357672
2017	23.208545464904894
2018	23.163029037353212
2019	24.366064517293236
2020	26.255820857705697
2021	26.15551788034906