Year	% of GNI
1990	0.5060436307909276
1991	0.5219454344305741
1992	0.48483894813971307
1993	0.5446766246901837
1994	0.540687911967394
1995	0.5133969089856582
1996	0.5397029264634485
1997	0.6080425172897935
1998	0.622631769000428
1999	0.6432557507042103
2000	0.7447658682518166
2001	0.7827985172718573
2002	0.74925788725962
2003	0.6476078215798773
2004	0.593198273725642
2005	0.600793116189237
2006	0.5989952679630994
2007	0.5406771839115225
2008	0.5038563058497264
2009	0.5217091886602214
2010	0.5654331560418245
2011	0.526874944352476
2012	0.5840355769997647
2013	0.5695413013795007
2014	0.5490476747492131
2015	0.67341741588039
2016	0.6760764019351961
2017	0.6661187697963953
2018	0.6269204988403662
2019	0.634991338203053
2020	0.6168585000272289
2021	0.601800022395506