Year	% of GNI
1990	37.125877062615544
1991	25.724594820267722
1992	28.580579654937704
1993	25.5319210138479
1994	29.232009401658328
1995	29.594150426518013
1996	27.608509840732808
1997	24.665733385970025
1998	26.332475691243335
1999	24.12590887100597
2000	27.507461636199412
2001	22.401287070007903
2002	25.9104523340471
2003	24.850355437208222
2004	29.918061371335508
2005	31.004026036240326
2006	35.80132187567793
2007	29.157228544720088
2008	27.46264286739425
2009	17.062927165640783
2010	19.59091865210159
2011	15.398381755101811
2012	15.59741721421831
2013	19.248747309641928
2014	23.071922359064974
2015	16.315136116318325
2016	6.165631291191261
2017	13.363114702712014
2018	12.095809403190133
2019	13.559965283863177
2020	16.84592409899903
2021	3.886764374780371
2022	5.601388640222923
2023	11.520264840133297