Year	% of GNI
1988	5.64947733313948
1989	7.440610705857
1990	0.816529763871103
1991	9.22881067303385
1992	9.5468043399454
1993	-5.79655459236355
1994	-1.95975101510162
1995	24.5555596989398
1996	24.8246488193426
1997	21.3716193522991
1998	23.7348994768606
1999	25.1118977075031
2000	6.2912342773982
2001	5.10726513896948
2002	5.39391637280334
2003	9.87450728258507
2004	7.36500387576789
2005	9.14345816112134
2006	8.60838674482987
2007	8.31409597717182
2008	7.3680938252494
2009	7.84561283190845
2010	19.920914839784
2011	14.1931209780113
2012	9.70197280878561
2013	9.33624689429221
2014	7.52481235729481
2015	8.69864512539917
2016	8.05369573907265
2017	10.7546943392671
2018	8.60100986090211
2019	11.3503331967606
2020	13.6794112305206
2021	9.39884413470091