Year	% of GNI
1999	24.4000759992304
2000	23.6625306826255
2001	21.8266774435685
2002	20.6566532488071
2003	17.7101984390692
2004	25.8873263680665
2005	29.1712042689591
2006	24.4940172092996
2007	32.6317105654602
2008	25.8421925705359
2009	0.773924505663215
2010	10.3179195725124
2011	10.3549093886446
2012	18.2060969649818
2013	15.3423964965769
2014	17.6559674987647
2015	9.8045257960094
2016	12.0900301232009
2017	14.0603335564077
2018	11.8535503510554
2019	6.85280808397437
2020	11.0911903990355
2021	16.1806154302095