Year	% of GNI
2000	24.7025881365481
2001	24.246633683766
2002	23.2108434820921
2003	23.3068848822343
2004	23.5913221198102
2005	25.4446755572731
2006	26.0483902140996
2007	26.4042004522407
2008	24.734923965786
2009	24.5022662124069
2010	24.6883322491647
2011	28.3313503019155
2012	28.6401868237129
2013	28.2102042830873
2014	28.6551925790465
2015	27.4599934087397
2016	27.0334282191151
2017	29.4674713658939
2018	29.5258733106821
2019	29.1990810511762
2020	28.8031168888017
2021	31.1343468038793