Year	% of GNI
1990	6.56550650013418
1991	6.51971485890945
1992	5.77522784129232
1993	14.5814082347085
1994	17.7990872829705
1995	15.8935239202609
1996	14.6335191957718
1997	17.7140588281696
1998	18.709210728281
1999	21.7554391084344
2000	15.7446861896726
2001	14.333280242025
2002	14.4395957286548
2003	14.9784665310475
2004	16.320772056831
2005	20.2582778377529
2006	21.1515404267588
2007	20.1524993472499
2008	18.0885388186349
2009	15.3461051867447
2010	13.2981286992261
2011	17.2730101110803
2012	14.8548600996855
2013	11.458269463061
2014	13.7116047936524
2015	19.2301356566574
2016	19.676312404634
2017	22.998584402247
2018	19.4952979733254
2019	20.5400879177846
2020	22.7979508721921
2021	19.3591169043204