Year	% of GNI
1990	15.5346786298941
1991	14.9974576273325
1992	14.2887356695348
1993	13.3329510777922
1994	14.7145945562048
1995	14.3802318551465
1996	15.448979768501
1997	16.6823776651242
1998	18.1564517037512
1999	18.6729499785927
2000	19.5944673793832
2001	19.9471763430343
2002	21.818154974617
2003	21.7599096536362
2004	22.8571699908744
2005	23.5163765346535
2006	25.0595051899173
2007	26.1992011234646
2008	26.9745117686636
2009	28.2684883596135
2010	28.0485354275645
2011	27.5165826589392
2012	29.5835458957803
2013	29.1577287333382
2014	27.6674731369386
2015	26.7402006181929
2016	28.0229980390672
2017	26.1657980176835
2018	26.1081471091703
2019	33.8895358411483
2020	34.5194590322733
2021	32.7983296667557