Year	% of GNI
1990	8.94971442547521
1991	10.1201281812707
1992	12.2766681352411
1993	16.8770854321534
1994	14.3494047497396
1995	8.0538061929762
1996	3.9912189394769
1997	8.35043881704291
1998	2.91286059540797
1999	4.52799417555126
2000	4.0955489845372
2001	2.99176156146463
2002	-0.887610149005771
2003	2.39318155023283
2004	-1.49853243761826
2005	-9.59646434482759
2006	-13.4945346759897
2007	-17.9402944311417
2008	-10.4228594226305
2009	-19.527533401434
2010	-7.58125775353565
2011	-11.627473942525
2012	-10.426739225148
2013	-24.09769174965
2014	-21.3749519531729
2015	-24.4628782517692
2016	-20.3199997714212
2017	-7.22347530127854
2018	-8.27613128984116
2019	-6.83595547233718
2020	-12.4886526367575
2021	-14.3794473915526