Year	% of GNI
1999	27.4611334853265
2000	26.6230639924771
2001	24.7566584152017
2002	23.5736921713861
2003	20.7744365424439
2004	29.0912579052449
2005	32.4295411844997
2006	27.7664643148204
2007	36.1324652101471
2008	29.364664001068
2009	4.11478628939628
2010	13.7641903167633
2011	13.888472704134
2012	21.8475949808203
2013	19.3861352815212
2014	21.6579905670088
2015	14.24406882669
2016	16.1635626861156
2017	17.7703336921753
2018	15.7413227294753
2019	10.9214963629772
2020	15.2442160697308
2021	20.3981300300548