Year	% of GNI
2008	2.7310345715466857
2009	2.731042934750916
2010	2.4920795407318757
2011	2.497159799658
2012	2.0807727065904387
2013	2.360532478543135
2014	2.096101017686634
2015	2.5805195788579365
2016	3.223486867763692
2017	3.4891547451381464
2018	3.451793678961373
2019	3.0870731704134036
2020	3.820971840911231
2021	3.513596506613671