Year	% of GNI
1976	12.563095431168938
1977	12.345185746927356
1978	11.347073935605545
1979	11.455789125121322
1980	20.240257959001774
1981	21.083763882274244
1982	18.517338327110693
1983	17.64267470685467
1984	16.899002595509295
1985	10.707662065869616
1986	10.69596799379675
1987	11.26575984302295
1988	12.979721516999579
1989	11.815584849584011
1990	12.951404184276965
1991	8.096922994139312
1992	7.660781192465734
1993	9.113193458324224
1994	10.467102998872038
1995	9.298754549436675
1996	8.584714378934287
1997	7.899988230874852
1998	7.585570234142958
1999	4.880068619249254
2000	8.432450263316214
2001	10.613769157851706
2002	12.754587888482
2003	12.353382517711273
2004	11.558218626000157
2005	14.500025104663756
2006	17.078482537582254
2007	16.51610672778356
2008	15.40970359361593
2009	9.656244457494616
2010	12.23255493770241
2011	14.960856475604677
2012	16.58833202097261
2013	15.684650740813197
2014	14.365585741985546
2015	12.375772050790312
2016	11.75465938888068
2017	13.416257631530803
2018	12.729796447883086
2019	12.351745362092307
2020	7.1714149559887925
2021	8.343993544600709