Year	% of GNI
1970	1.9060128926327813
1971	2.5937721019108277
1972	3.164578248569242
1973	4.581227030875288
1974	3.923909108716944
1975	4.680448894977169
1976	10.664058475351105
1977	7.065422057651423
1978	4.616221190025038
1979	5.464028367056504
1980	5.632441684688077
1981	6.267027851394408
1982	6.24233991165015
1983	4.957469321452228
1984	4.434596080518849
1985	4.761905333956425
1986	5.746919109142529
1987	5.987714285564758
1988	6.866519012704292
1989	3.286422808910409
1990	8.686261980469451
1991	7.435003283813513
1992	8.520154498088393
1993	8.211833121102302
1994	10.911995847361696
1995	11.549374918905176
1996	12.575548304543005
1997	10.30540925314544
1998	9.064080785461535
1999	7.8602350005178065
2000	5.706576553382514
2001	4.732218970506213
2002	5.356715387424609
2003	5.381875873850019
2004	3.9334477575042404
2005	4.13175841770041
2006	3.1359394992972405
2007	2.7935464591654355
2008	2.747861154151441
2009	3.0120273183552806
2010	3.409990885202316
2011	6.0149595133404175
2012	5.372258836219573
2013	5.384340172423602
2014	3.882519086684142
2015	6.576108708601416
2016	4.5985484704825295
2017	4.3986329311225605
2018	4.614637014500378
2019	3.891824032563468
2020	7.0207294249283585
2021	4.666378878777454
2022	5.099391928041394