Year	% of GNI
1990	5.327655160186183
1991	5.272400379493297
1992	4.342941800018211
1993	4.15181899135284
1994	3.997646805308659
1995	3.7480328780535346
1996	3.40168130733337
1997	3.2292845399222294
1998	3.1000258843911515
1999	2.9749582467342326
2000	2.8316136025190786
2001	2.7593555203230027
2002	2.615722901345106
2003	2.4874735020186005
2004	2.37727057149439
2005	2.2765661514828253
2006	2.1558566008165854
2007	2.0454992233697684
2008	1.915774332896879
2009	1.8455321194665897
2010	1.7357250075849775
2011	1.7014767211243726
2012	1.6128731094685556
2013	1.5913592023463252
2014	1.4812436784662444
2015	1.4497834771613354
2016	1.3497786920946113
2017	1.2752773883541388
2018	1.2130201712609487
2019	1.1520701935825115
2020	1.1414782230431295
2021	1.087991406273211