Year	% of GNI
2009	12.7473546626535
2010	21.9902876960355
2011	33.5739587914567
2012	35.4273480804429
2013	34.7102371910931
2014	32.3963252573034
2015	32.1124908645523
2016	26.133204998825
2017	26.3453291230541
2018	26.8646643221209
2019	30.8093616064269