Year	% of GNI
1976	34.003227496250105
1977	32.70760398802434
1978	30.25317323650433
1979	25.3631165665933
1980	23.161792694537393
1981	20.383561643835616
1982	19.488802336903603
1983	19.65333591556115
1984	18.5837262389862
1986	15.482932969684255
1987	15.938457389428264
1989	14.875860054063002
1990	16.77964215451025
1991	13.99429997024688
1992	13.910534932011323
1993	16.458961071834416
1994	15.876340442632229
1995	16.815901327257787
1996	17.483541983529282
1997	17.025762564037773
1998	16.539478082570643
1999	14.031288914036256
2000	14.760440163396884
2001	14.63492216959479
2002	22.484427703378604
2003	22.64597047502269
2004	15.505796926288518
2005	15.466120834406198
2006	22.146679060290577
2007	22.82982353968657
2008	21.662591746583075
2009	18.902219557213474
2010	17.943266183607648
2011	17.84323212232093
2012	16.60248080581074
2013	15.527487448346333
2014	16.241921554401568
2015	14.578744503100067
2016	14.951591394491697
2017	13.411154002908038
2018	11.81549856114793
2019	14.250560238252453
2020	15.42794829805071
2021	19.944231838735224
2022	17.859091852422438
2023	15.4774596707531