Year	% of GNI
1980	5.59608108423267
1981	12.434026973796
1982	9.40317262850703
1983	9.08620445811962
1984	15.0785374240602
1985	15.384839256942
1986	10.0804840971092
1987	11.4542286399693
1988	11.7229308044676
1989	13.0815811833639
1990	10.2236730026262
1991	9.50133411388478
1992	10.5692537503494
1993	12.3025312506135
1994	13.7898383770442
1995	9.61296724357484
2003	4.43627059898656
2004	6.86396414202121
2005	8.5815781464573
2006	10.4799691660635
2007	12.7677093798972
2008	11.8301406649009
2009	13.8924637962924
2010	13.8561017181471
2011	10.8092666442961
2012	12.0510796399375
2014	9.78133408744485
2015	13.4070872874641
2016	8.1675424806761
2017	11.3242468435634
2018	12.1438636766081
2019	10.305303198246
2020	9.90357715494488
2021	13.9184442928206