Year	% of GNI
1990	5.218535220764679
1991	6.100477676285559
1992	6.203678486655465
1993	8.119152997234574
1994	8.819163486562061
1995	6.725982852266458
1996	7.431956709392029
1997	7.722749587930203
1998	7.264888774338913
1999	5.73543304259224
2000	5.877391863351127
2001	5.718859431012532
2002	5.799352289509376
2003	5.277498286229425
2004	6.858788314356772
2005	6.521602206017
2006	8.25647255841296
2007	9.004577645024142
2008	8.591838737697163
2009	6.26298200704196
2010	7.114346116067227
2011	5.517593045524206
2012	3.950302389907515
2013	3.2444765164537372
2014	1.9962308720167465
2015	3.847563398989785
2016	3.2023055794082493
2017	3.4605964502597963
2018	2.584323653420291
2019	3.1264407907023135
2020	4.752755035549222
2021	3.7799801747265835