Year	% of GNI
1991	19.0356993236309
1992	23.1199940529041
1993	21.0176718772809
1994	25.0998278974751
1995	24.4701554070089
1996	22.0793459685
1997	19.8541827562493
1998	20.4294842662326
1999	16.6810801046784
2000	19.9736130750094
2001	14.1199707819412
2002	17.9283398931884
2003	16.8044300712534
2004	22.3382738960191
2005	22.7789957051693
2006	27.4913880318558
2007	19.4524651509061
2008	20.0625415545154
2009	9.75973628136737
2010	12.5135537845389
2011	8.23856174425313
2012	9.65127030994348
2013	13.9193006145926
2014	17.6094362871989
2015	10.5226006662037
2016	-0.651785953618749
2017	6.96498436247798
2018	6.85031846574172
2019	7.57291033089667
2020	10.7735714732492
2021	-1.83422308883992