Year	% of GNI
2007	38.2223719214055
2008	38.3358207325267
2009	34.4506331119962
2010	36.1911929437595
2011	35.4082826116261
2012	29.5770492345418
2013	29.6643219303688
2014	27.2831961126611
2015	29.2373381886049
2016	34.0099211881581
2017	31.6365093095567
2018	35.1000546564187
2019	36.0535671726299
2020	34.5915438155489
2021	33.0115018695217