Year	% of GNI
1990	7.83817318869074
1991	9.60461953076132
1992	8.47588166145696
1993	9.49764644975098
1994	10.9835808743179
1995	12.6985564685867
1996	12.7664693683884
1997	15.8380976715833
1998	15.5138876255616
1999	14.7329756688333
2000	16.8316759356934
2001	18.913819764856
2002	16.1952402053612
2003	15.5095783265103
2004	17.9077065500253
2005	22.1501836043136
2006	23.5822648277158
2007	23.5643235208028
2008	23.209027643165
2009	18.5499246774181
2010	20.2235972484733
2011	20.4915192233016
2012	22.6941767588948
2013	22.3394735386393
2014	22.0635021634855
2015	19.2980124915759
2016	17.089727506282
2017	17.3467431011636
2018	18.7106059119733
2019	15.881974468387
2020	13.593853001873
2021	20.2201316665624