Year	% of GNI
1979	13.449503674240683
1980	12.549643877841072
1981	11.436176464631453
1982	11.696595972213142
1983	11.824047524860053
1984	12.640643657543025
1985	12.917568190917958
1986	9.922291184608738
1987	11.325188100176758
1988	11.81760178094998
1989	14.332266184314705
1990	5.052282213684542
1991	5.536367823376747
1992	7.0606631499191295
1993	8.970507379595276
1994	10.863044542815306
1995	10.103242897515836
1996	11.649542070819267
1997	11.284796611296105
1998	10.61855995810206
1999	11.342988453572564
2000	12.508416783451127
2001	12.029537886244414
2002	13.101113251691967
2003	14.287259680514396
2004	16.505501845923597
2005	17.57826606322924
2006	19.44079518676218
2007	20.183674228469553
2008	20.508041850858355
2009	17.486369756806948
2010	18.899871942278736
2011	18.27832116288693
2012	17.145527153880774
2013	15.753439743343204
2014	15.274075731597328
2015	15.059351902470741
2016	14.409109409450458
2017	15.078959097660704
2018	15.075917447341077
2019	13.986511011333047
2020	13.265427802749112
2021	14.9981687624961