Year	% of GNI
1990	3.50206269447615
1991	5.04598129214533
1992	9.10132965970356
1993	11.0993929964876
1994	8.98472807133566
1995	15.3857292533329
1996	16.2465935370064
1997	14.7443960884504
1998	14.7289605295724
1999	14.288949193231
2000	15.4425544158856
2001	12.7712180477771
2002	19.4485499389021
2003	20.2456611084523
2004	22.4633076194788
2005	25.2489740362559
2006	24.2224665195497
2007	25.7888055393597
2008	31.8355064814283
2009	33.1425542078573
2010	32.4494009640967
2011	24.3804114151661
2012	29.2462687479237
2013	31.5232434393527
2014	34.0384837749098
2015	33.0657833450231
2016	27.0067375916463
2017	34.7261257978878
2018	35.251455257737
2019	34.4482298681799
2020	24.6853009615042
2021	24.4212107954609