Year	% of GNI
1990	-24.0672005799853
1991	-21.0118917902614
1992	-21.6255087770864
1993	-25.8631966104
1994	-22.0270523714429
1995	-24.1748972294513
1996	-21.9877229207806
1997	-18.0624430079689
1998	-17.3656553501875
1999	-15.975724060053
2000	-11.2172649240239
2001	-10.8863966599496
2002	-5.57759408879941
2003	-5.32254508035095
2004	-7.10375947247198
2005	-3.3964617492351
2006	2.6065289061019
2007	1.26247244397635
2008	10.1846179092059
2009	-10.8522741339282
2010	2.67161633284946
2011	-4.22489561347039
2012	-1.72188121834595
2013	-2.8367080837401
2014	-5.6970037836202
2015	-8.20350199029159
2016	-9.32667889237446
2017	-7.69944866187326
2018	2.58611633777378
2019	-1.59123749143694
2020	-8.79347432930901
2021	-10.3232074706143