Year	% of GNI
2010	6.37089744257826
2011	6.15217949647061
2012	8.68578047771157
2013	9.66287943795318
2014	10.2315423173362
2015	9.62146643800316
2016	8.90599817472936
2017	8.53943172805169
2018	7.82459164313909
2019	7.12984797620372
2020	8.00355252165352