Year	% of GNI
1990	15.9460313231128
1991	19.1798776889027
1992	22.10297653115
1993	21.9447938184253
1994	23.4735205866121
1995	22.0924801390657
1996	21.7991805176209
1997	23.0638976613795
1998	21.345703667129
1999	18.7401346457469
2000	16.9781977438863
2001	18.8872002560158
2002	20.692152781382
2003	23.48917750666
2004	24.622987239772
2005	24.1647355712356
2006	25.5739623749034
2007	27.191881728273
2008	26.5334584552166
2009	27.568314310718
2010	26.306619365312
2011	22.0869080905554
2012	22.9732387893191
2013	21.4059025538069
2014	21.3823550591963
2015	19.6751152306658
2016	18.6887687533989
2017	19.304409740474
2018	17.8432520408507
2019	16.4685804575328
2020	15.7926133101607
2021	16.806586216299