Year	% of GNI
1990	-9.09969096542084
1991	-14.4924458786556
1992	-19.6170683031405
1993	-18.3100526776391
1994	-9.89162087638044
1995	-7.67351772650074
1996	-10.8476865669724
1997	-10.8544411172058
1998	-14.1124885481417
1999	-20.4746955787749
2000	-3.50030275703882
2001	-8.97218963586234
2002	-3.03774052536631
2003	0.0978717581605045
2004	-1.7786598958259
2005	7.50836437291183
2006	13.5965358066702
2007	21.234739026988
2008	15.5696654631894
2009	6.06899848169142
2010	5.28328862421923
2011	-5.63253696703691
2012	9.30950878998231
2013	4.83744170557474
2014	4.57150524524958
2015	4.1319802246567
2016	8.6255876421501
2017	11.1542840905787
2018	6.7386031028272