Year	% of GNI
2001	15.5468540962174
2002	19.925771246337
2003	19.0285441993285
2004	17.9288165584923
2005	23.3752592970259
2006	23.5384717670499
2007	21.5528203762483
2008	31.9503231393859
2009	23.6129237983387
2010	32.8981426038755
2011	35.3756968057791
2012	38.0269510313514
2013	38.4748859401732
2014	37.4820186930907
2015	34.7547573423356
2016	35.8511362411008
2017	34.3147247938195
2018	30.2462926933092
2019	30.7412835228569
2020	31.0905218238377
2021	23.9890473930124