Year	% of GNI
1990	10.4759005488264
1991	-0.766549811091853
1992	-0.6269561238725
1993	-11.3846586313771
1994	-13.7477244561175
1995	-4.27790772466546
1996	-17.3652509282988
1997	-6.79707859452313
2003	-10.2779800837971
2004	-8.85092320195898
2005	-11.235593162404
2006	-3.79986489448422
2007	-6.77670316172179
2008	-16.8948558306065
2009	-12.8530107702118
2010	-18.366574650697
2011	-15.2610905056986
2012	-7.67265000269099
2013	-17.5305465467562
2014	-10.9713870430933
2015	-3.65016795672558
2016	-4.00896440933203
2017	-4.587620524376
2018	-2.30921966424231
2019	-0.459444514506755
2020	8.43511960375427
2021	18.7838475795973