Year	% of GNI
2000	19.170137159449453
2001	20.34822817874999
2002	21.195577963647978
2003	21.630417743667177
2004	22.630618737931346
2005	18.91935196939487
2006	19.96944428825821
2007	19.39928032421033
2008	19.172465412740678
2009	19.758134779548097
2010	20.7189487451748
2011	22.192930173663942
2012	22.983483056896983
2013	23.133331757382905
2014	25.97859770472967
2015	26.50802265621871
2016	27.407658034828962
2017	28.530466026927858
2018	28.23516821852854
2019	28.653243320458326
2020	29.19059096995798