Year	% of GNI
1980	30.153764936236602
1981	36.42397571638128
1982	35.20584546215772
1983	33.92446102567732
1984	35.406975640319736
1985	31.966781521066398
1986	32.331587734610515
1987	30.676108507345756
1988	33.29869729520003
1989	29.685166393463952
1990	15.917302768538681
1991	19.29631573767265
1992	13.03713792422547
1993	6.328119094494895
1994	8.682050223897347
1995	26.160059886406895
1996	10.288119078083398
1997	22.05015705456202
1998	25.674477546421173
1999	16.33396457260608
2000	13.821255289654324
2001	15.693988774486513
2002	17.616243079523734
2003	16.540889580405583
2004	16.78102339183516
2005	16.71013772674818
2006	15.3240230931775
2007	10.396767969467408
2008	15.535756520069391
2009	20.27663469573055
2010	21.632577629723617
2011	23.148660671850706
2012	22.572625514750488
2013	24.429938307909286
2014	23.587060331024134
2015	22.913851754723996
2016	24.639246169467942
2017	25.716995480879035
2018	24.497797208693562
2019	24.97803558420363
2020	21.18298215828874
2021	20.939852220031266
2022	22.68263975721729
2023	20.8202839477944