Year	% of GNI
1986	13.28415598673397
1987	13.061608266430285
1988	13.136968740383958
1989	13.433203000066882
1990	14.49208699927539
1991	14.158423612964876
1992	12.198540410992495
1993	12.659063125068641
1994	18.86584376767148
1995	17.311705312840026
1996	16.38208134685089
1997	16.897529280270966
1998	15.997276110696273
1999	15.100690721727458
2000	19.08642037594641
2001	17.38627106725577
2002	16.803401552856766
2003	18.56886266676154
2004	18.20306829168657
2005	12.294879606547259
2006	10.872396594539376
2007	11.101929535077138
2008	26.31538624938191
2009	20.831818679678065
2010	21.787135014427104
2011	22.41267272051842
2012	28.860197011267246
2013	19.08780367956192
2014	22.927172445806818
2015	18.443533231574282
2016	16.974928801679436
2017	18.386372188586776
2018	19.29979224682418
2019	21.686088013352276
2020	26.2179453774426
2021	31.190049856377613
