Year	% of GNI
2000	9.87632491777164
2001	12.5343435258519
2002	12.1504962440264
2003	13.5305440645729
2004	12.2821590933054
2005	9.34653797914457
2006	7.694441676243
2007	9.30021883332467
2008	4.13219997022531
2009	7.68036449845268
2010	8.18069180609365
2011	8.76859146031334
2012	9.22174754354414
2013	12.1975842455231
2014	12.1534885667265
2015	13.0441280996045
2016	13.1922350879838
2017	13.6799127668561
2018	11.7702534743243
2019	13.3073554491622
2020	11.3098981651036
2021	9.86221125803549