Year	% of GNI
1989	12.405731575248495
1990	12.388126362577085
1991	10.82657555651913
1994	17.95254602318899
1995	16.700145592581755
1996	17.410937398798765
1997	18.52725079698689
1998	16.638306509359584
1999	15.537342870571297
2001	17.689302191544748
2005	17.325360665753657
2006	18.064588476173977
2007	18.214997325141134
2008	17.955654501604098
2009	15.547413105559093
2010	18.75015852661843
2011	19.049184164497024
2012	17.76655290015611
2013	17.961405911065626
2014	20.811525973999107
2015	19.216612948400954
2016	20.273686958947025
2017	21.324686960416273
2018	21.261828730367917
2019	21.605882900742674
2020	21.400316339353484
2021	21.580208107383882
2022	19.941854865281744