Year	% of GNI
1997	3.27606875219578
1998	2.3022142597777866
1999	8.903889829668175
2000	9.069664017189819
2001	7.490026986845054
2002	7.823777069413579
2003	5.383073976437114
2004	4.059344103865923
2005	5.002970134814824
2006	5.901191586084907
2007	4.656684841105404
2008	4.0968070441353985
2009	3.894832307301277
2010	6.323171856441717
2011	5.1345712208139656
2012	4.995020698423948
2013	3.3556510904690784
2014	5.0643457591637935
2015	3.7901589359850734
2016	3.109689090889082
2017	2.415135188423749
2018	2.203230756047155
2019	2.7651127459979277
2020	4.397809024792783
2021	4.271409539681773
2022	6.070605433907051