Year	% of GNI
1975	8.828094590784412
1976	9.767129310237184
1977	9.578412635431413
1978	9.723558960414259
1979	9.94309529904624
1980	8.80816775867179
1981	8.220785141228632
1982	6.571575847881633
1983	6.078041992295621
1984	7.5647878327904365
1985	6.849185393060155
1986	5.747610014297869
1987	6.095972213734948
1988	6.898240815979252
1989	7.235775008656782
1990	5.427947742828952
1991	4.589190586383186
1992	4.280908487835507
1993	4.003575139015258
1994	5.154625889073785
1995	5.965427073123859
1996	8.448563963234175
1997	8.762954051753864
1998	8.469601548246185
1999	8.062586206158786
2000	8.485299397172989
2001	7.427760096972801
2002	6.881466267685985
2003	6.963429184450712
2004	8.08287297670277
2005	8.728811945773687
2006	9.842382239102335
2007	10.027733653058899
2008	9.185464011488873
2009	6.195436816333128
2010	8.35462980613875
2011	9.130385383987829
2012	9.320749676122809
2013	9.052417355826933
2014	9.301771729486838
2015	9.077315720897886
2016	8.651066677332935
2017	9.539492767834226
2018	9.688710923626477
2019	9.278945047790476
2020	7.9787670207082755
2021	9.04078091702296