Year	% of GNI
1981	13.124546351265593
1982	18.17685595314227
1983	10.664490277343672
1984	10.69685886609842
1985	6.867002217038697
1986	10.644165053723889
1987	9.596407610254092
1988	10.431108076749114
1989	10.287738693041534
1990	11.952289710237178
1991	11.245408072575936
1992	15.117001773613817
1993	14.725132888984012
1994	23.137122703696498
1995	31.880401654683876
1996	28.78999078592613
1997	27.37169739611128
1998	31.47054426243034
1999	19.71707889746991
2000	18.586817064763427
2001	18.22300305990959
2002	23.343898774777514
2003	36.39609954870173
2004	27.973085852294286
2005	23.54152636888394
2006	18.834827011506018
2007	21.855073892547622
2008	18.730074677681348
2009	16.41493928894614
2010	15.793720976757752
2011	17.29213190445176
2012	14.832388595325039
2013	13.960850796290385
2014	13.367352045156519
2015	12.216619652593206
2016	11.242813605801706
2017	9.910519107633537
2018	6.390054919938348
2019	5.532016643334718
2020	5.506785572987288
2021	5.836613027008066