Year	% of GNI
1990	1.1670044312213532
1991	1.8344744069047236
1992	2.154444875331952
1993	2.3898765692741817
1994	2.5744374129461964
1995	2.4498574696252535
1996	2.3947491458058265
1997	2.425744632862176
1998	2.571055286701365
1999	2.460460349242369
2000	2.2054036077689414
2001	2.507980484229946
2002	2.725813238983804
2003	2.6459095772123353
2004	2.4520419657716173
2005	2.2495902439542745
2006	2.07412857341403
2007	1.933975494176705
2008	1.7325991997300068
2009	2.1532721268946116
2010	2.0200487520975785
2011	1.8709261729725863
2012	1.8948520446617783
2013	1.9598292787141212
2014	2.071818101914829
2015	2.504623022792771
2016	2.65294273553991
2017	2.73431333360605
2018	2.5721306156903947
2019	2.7392234586642803
2020	3.0335731053123123