Year	% of GNI
1981	1.5946115222848138
1982	1.428961672230215
1983	1.4335852463096268
1984	1.629600384739526
1985	1.999437474384357
1986	0.768433844205816
1987	1.3086785850632727
1988	3.132178862431575
1989	3.4434625583695118
1990	3.8483745244502003
1991	1.857171706168509
1992	2.7464436555643332
1993	2.951434227720972
1994	5.743281200986581
1995	6.801873152885987
1996	3.025067467928918
1997	3.852821560718058
1998	1.419841251355063
1999	1.326058578056345
2000	2.3597950061617343
2001	1.852157886991189
2002	2.445157948990007
2003	2.023359246128105
2004	6.4338046204445805
2005	8.712077484959151
2006	15.967439400607601
2007	14.9174044961546
2008	13.711345782915961
2009	11.434902735882481
2010	15.755592916488709
2011	18.48071777912982
2012	10.211814114153189
2013	8.68294023839756
2014	8.42436736623565
2015	5.43662512399532
2016	4.94110947686034
2017	8.46846845424133
2018	10.24956233887057
2019	7.184783705085071
2020	5.4801194374527995
2021	14.89445603979271