Year	% of GNI
2000	12.945384937546
2001	12.5429188009684
2002	12.7353012568208
2003	13.1881539484694
2004	13.6264373886286
2005	13.2017343587837
2006	13.3183575117592
2007	13.6068269539552
2008	15.7607007645437
2009	18.3918198263494
2010	18.1015884719953
2011	16.6952074002553
2012	16.5769919625
2013	16.9022248011824
2014	16.5246231520862
2015	17.0363764958861
2016	16.5438463558324
2017	16.2056829399083
2018	16.0513576595283
2019	16.3263884560907
2020	17.6186405051801
2021	17.4453227886899