Year	% of GNI
1975	13.2808509080288
1976	8.2546554426015
1977	9.26853615958307
1978	9.18691715719402
1979	9.03026293117808
1980	17.4245832951621
1981	14.8065018365891
1982	15.890047589882
1983	13.9921987589188
1984	17.4585859930498
1985	17.027549356406
1986	18.3914149883855
1987	17.3930651436168
1988	18.6686254961912
1989	19.3342405520567
1990	22.1285838223104
1991	18.1357938004885
1992	18.1811202240236
1993	16.5113555754224
1994	15.688656382408
1995	12.7858097270885
1996	15.8168993241245
1997	15.7800365096952
1998	18.6333328727746
1999	16.4464175518715
2000	16.2972850472117
2001	23.0033082734411
2002	21.9120666320432
2003	23.2185935339551
2004	23.4468686213871
2005	23.4420563534297
2006	24.8390295207882
2007	24.9719977204016
2008	25.4799931472247
2009	21.0854820262491
2010	20.6083851118133
2011	19.2021631168234
2012	16.5099995526709
2013	18.2955052366586
2014	16.3819915482152
2015	19.1170463348825
2016	19.0806711341554
2017	19.5861062573525
2018	18.3391936359867
2019	18.2012538329278
2020	17.9268053568403
2021	19.1310555215114