Year	% of GNI
1991	12.4887010862745
1992	16.8111514200589
1993	14.3859278175648
1994	13.0571199943138
1995	25.4370356622937
1996	31.0355101803765
1997	27.0342564980817
1998	25.7782708054048
1999	31.3533359184349
2000	29.7709731576466
2001	26.0173795149539
2002	29.3750432936978
2003	28.136068768648
2004	29.5474499375311
2005	26.9359826327211
2006	23.2521277730239
2007	24.7224321084828
2008	22.7803109466338
2009	20.3772051320292
2010	19.6013447725645
2011	16.5920723282999
2012	17.2664215832839
2013	16.6942242175237
2014	16.0291111219203
2015	15.4740568560539
2016	17.3539987703809
2017	12.9089805471783
2018	11.1853840727475
2019	17.0165528037588
2020	8.55909411311701
2021	4.81646202612901