Year	% of GNI
1990	-2.12640731931343
1991	10.3775282577189
1992	7.79843950023843
1993	-0.149909473030276
1994	36.9610045074393
1995	8.89757076081946
1996	10.3991988679994
1997	2.19344068747836
1998	9.89019404036537
2012	21.948971472694
2013	23.1009940500952
2014	10.8473713533841
2015	11.2765827745069
2016	17.6960168286208
2017	19.664295803699
2018	24.2757803338451
2019	28.6187088516257
2020	28.0763671501216
2021	24.2636110335032