Year	% of GNI
1966	3.7281685731469567
1967	2.8572701827316513
1968	2.8981604623506065
1969	2.5250519217625866
1970	2.4650617306050817
1971	2.7595771074261215
1972	3.241941617991892
1973	4.4765575573907
1974	6.377463262654216
1975	6.7708559566670115
1976	6.05125339214881
1977	6.445689119757092
1978	6.589792632985965
1979	8.829080198625535
1980	8.522800899018051
1981	7.680497717849357
1982	7.279688533575622
1983	6.7176751837614885
1984	6.326204274681264
1985	7.697898819239035
1986	8.229305649787628
1987	9.001653242219525
1988	8.499907289502183
1989	7.687857025468424
1990	8.175612584733315
1991	7.072180894134002
1992	9.697974554387109
1993	8.539373182862942
1994	9.888715687857715
1995	9.350626991913046
1996	8.512010985405576
1997	7.663163679428145
1998	7.297641097876821
1999	6.9645986089210705
2000	5.4375763809522635
2001	7.186423615761736
2002	9.387004056326658
2003	12.262213411261547
2004	10.26968431503041
2005	9.429726552149832
2006	8.93896016013445
2007	7.441472750540101
2008	7.49434666069984
2009	7.472677057682294
2010	8.42682988065131
2011	8.45715205445029
2012	8.295527451143617
2013	8.66907353990055
2014	8.221352997985145
2015	8.425972259407107
2016	10.203176120629253
2017	10.978244402376033
2018	11.81473546657909
2019	10.533894700691112
2020	12.320377015392078
2021	11.312195714351107
2022	8.918829192709715