Year	% of GNI
2010	37.6642762929924
2011	36.0284674195678
2012	37.7297124571085
2013	38.2811315364164
2014	38.1817261163845
2015	38.5611783153349
2016	38.2343707835213
2017	38.887743681229
2018	39.0739448593997
2019	37.9303338054189
2020	38.1496353336652
2021	40.3710024443603