Year	% of GNI
1977	9.421735457899384
1978	9.527817874888381
1979	9.376734661916773
1980	12.66284147399188
1981	10.475399265934065
1982	7.505891678633571
1983	6.8601249319771735
1984	6.643200861612474
1986	5.276506409881641
1987	3.8140306725898636
1988	4.219132093818697
1989	4.616226624234933
1990	1.9738786680520377
1991	1.252654416974412
1992	2.224413133827829
1993	3.9798793829950547
1994	4.321113866321484
1995	4.838258802498213
1996	4.232153648690542
1997	4.0769805354969915
1998	3.9640352967647434
1999	3.450826168353652
2000	5.667993649695699
2001	5.149412282259659
2002	7.479741688735773
2003	8.078721380094045
2004	8.390602488217606
2005	8.143873667278951
2006	9.101294049183428
2007	8.97353072698208
2008	13.924167501585694
2009	9.348466165430391
2010	9.849262952018835
2011	10.033393927021645
2012	11.834295428252513
2013	7.850363769303071
2014	10.391161161933766
2015	7.350235000650692
2016	7.051862258726832
2017	8.318147869254839
2018	8.509946274693606
2019	9.848992042173485
2020	11.52178548934019
2021	13.220979766036923