Year	% of GNI
2007	34.644000560734
2008	34.9969267186252
2009	22.6264722401359
2010	12.6957525024268
2011	5.00936342234484
2012	7.8650393429999
2013	12.4240163535535
2014	16.0658157114719
2015	14.9582097264038
2016	5.49381002252256
2017	-2.59612323866878
2018	5.07706096877436
2019	4.87037167856145
2020	7.36668364368873