Year	% of GNI
1990	21.8014907098065
1991	23.2827793908159
1992	22.9112189951217
1993	25.3621118600334
1994	24.4016020856485
1995	23.6193497076417
1996	21.7623995106103
1997	17.0258751935534
1998	13.418902154366
1999	13.5353989137161
2000	12.8924201719837
2001	9.77949471762299
2002	11.5897253138054
2003	12.3748570418057
2004	12.8270308162613
2005	12.7287917834634
2006	15.3364010285305
2007	17.8654423641378
2008	14.6563936308899
2009	14.1718439093238
2010	14.6499723968349
2011	16.4413176047264
2012	12.5808342338293
2013	11.1079886617895
2014	10.4799308012058
2015	11.2987308484743
2016	13.7666998851423
2017	15.9340795910927
2018	15.5499842285153
2019	15.3043016517109
2020	9.88861440222553
2021	9.22247485545161