Year	% of GNI
1991	-8.213958702241305
2002	9.686911036336907
2003	12.798293144133487
2004	16.29239673940191
2005	21.901466767042475
2006	23.752671288522375
2007	23.765885887685148
2008	25.329893197532034
2009	15.152746260241624
2010	19.999793672917946
2011	23.08984932892526
2012	22.810198068596897
2013	20.791490149379367
2014	17.846865097386285
2015	10.068731510249364
2016	10.564232130515185
2017	13.606505630930563
2018	16.979241900024395
2019	15.251516738198275
2020	7.9498467742562875