Year	% of GNI
1990	11.7995605221198
1991	4.02131185397799
1992	1.74979448057513
1993	3.30389126712315
1994	6.74780105914174
1995	11.9763512484654
1996	11.4526767903252
1997	15.367639402182
1998	16.7249246392906
1999	17.2027238308447
2000	18.9616068896102
2001	19.429715562819
2002	18.3555689498794
2003	15.5920710353093
2004	17.0513023512268
2005	15.8856393454232
2006	15.6871400938227
2007	17.182635735542
2008	15.1853551223123
2009	9.66023551434497
2010	10.2158222514277
2011	9.60624100355632
2012	8.28281966225948
2013	7.07963322783958
2014	7.45398755419467
2015	7.58781628746333
2016	8.04993757361911
2017	9.82689806979734
2018	9.82664181954167
2019	9.88527876825451
2020	10.685782079631
2021	11.2209195627783