Year	% of GNI
1990	4.063700531773402
1991	5.016517218934436
1992	6.001645526283209
1993	7.508947060484859
1994	8.362199848544867
1995	8.44819352923621
1996	9.400607515720116
1997	10.17460977951171
1998	9.559433535679322
1999	9.096445091267544
2000	9.172129868533203
2001	7.946583310147744
2002	8.35441743396748
2003	8.61483477892571
2004	9.873647758802457
2005	11.76575664954964
2006	13.464893726412539
2007	13.988780464508263
2008	13.553889074154132
2009	12.321993743184978
2010	14.341187318444108
2011	13.815457516510353
2012	13.264017414398122
2013	12.07601710923933
2014	11.370064825359506
2015	11.952762605315026
2016	12.315453116830792
2017	12.904031146138179
2018	12.86152009460273
2019	12.636651937784272
2020	11.056274721564236
2021	11.370902167795492