Year	% of GNI
1990	6.253756303954724
1991	5.086504294970491
1992	4.645681625728046
2000	4.433180832655464
2001	7.734057891906538
2002	10.572910894951843
2003	10.743388992726537
2004	9.660716842900346
2005	11.40212745644764
2006	13.10940937643766
2007	13.400504524675027
2008	11.70233994247548
2009	8.07894665594769
2010	9.26059075058607
2011	10.197153351065971
2012	12.550406043918944
2013	11.981188358795896
2014	11.303684124784866
2015	10.874997603436169
2016	11.580261754626386
2017	12.93235227734391
2018	11.381974597558877
2019	11.124610657234129
2020	6.81218247080401
2021	8.860508102391716