Year	% of GNI
1995	15.6470869420234
1996	15.6537154069518
1997	15.6819294383166
1998	15.9210045953537
1999	16.8952936940924
2000	16.3015767318427
2001	16.5970237931751
2002	17.6115431360363
2003	17.8940064389431
2004	17.9563690546452
2005	17.7347286103659
2006	17.1317658454816
2007	16.7750721915842
2008	16.5474782628576
2009	16.6648031221524
2010	15.6563186564068
2011	15.3197673132197
2012	15.7247807954525
2013	15.0442096335816
2014	14.8875900633652
2015	15.0036470842303
2016	14.833046423541
2017	14.4862544046605
2018	14.7504239670607
2019	14.5851306127024
2020	15.5003558045397
2021	15.0394855975221