Year	% of GNI
2011	32.9420780601895
2012	33.5551820683266
2013	32.556898546267
2014	31.911934995233
2015	23.1718644788662
2016	20.8217220649532
2017	23.2423324748497
2018	25.5430934313302
2019	21.3990075925787
2020	17.9909920152694
2021	25.5390808465075