Year	% of GNI
1971	3.37613593092001
1972	3.34846136252646
1973	4.72129680176197
1974	12.57923477987551
1975	9.5604232938694
1976	7.014091572679099
1977	14.29405011100136
1978	6.828709953992339
1979	6.349720962193509
1980	6.673003510286529
1981	7.50912366329975
1982	10.655188339497089
1983	8.04915437498383
1984	7.122690498635031
1985	5.66390586553442
1986	5.414325106001742
1987	4.34854043385232
1988	4.35879366810117
1989	4.57090715401542
1990	4.76923837657149
1991	4.96651564800508
1992	4.95769831867256
1993	5.98120566377563
1994	9.35880230610247
1995	10.4878368556881
1996	9.22184581549091
1997	8.82921146727936
1998	8.56781011261165
1999	5.70058564861804
2000	5.98046806355027
2001	5.77939463468221
2002	6.12601037266758
2003	8.59267527621538
2004	5.900039580294909
2005	6.478331639262097
2006	7.35923051894714
2007	8.86987415392841
2008	9.93928012314026
2009	9.83897156107918
2010	8.27207193290761
2011	11.85258391450633
2012	15.42387601499319
2013	11.26222427469105
2014	9.39461273339745
2015	8.345589841850629
2016	6.42359958683927
2017	5.9809767071724
2018	3.9516584604991003
2019	3.8418997066441403
2020	4.30210863194538
2021	6.74823862834166