Year	% of GNI
1986	14.563562266777259
1987	14.081522391119243
1988	13.778742001328089
1989	14.687170121470865
1990	14.25602994225239
1991	12.740275374978403
1995	18.53537578448731
1996	19.145749348467373
1997	20.00580284232259
1998	19.447387933270633
1999	19.190157763709458
2000	20.10491378969059
2001	21.646150807056394
2002	22.923401873318927
2003	23.429080471167644
2004	24.698692732322353
2005	21.122047322080363
2006	21.300616205201152
2007	20.90702195134678
2008	19.915599313241984
2009	19.45439763648707
2010	21.10558595695258
2011	21.14087772333365
2012	20.586753734284155
2013	20.557586843469675
2014	22.99363919676787
2015	23.193796857835483
2016	25.62826500455327
2017	27.47224351339621
2018	27.46752573823434
2019	27.72478048426841
2020	27.587046435940636
2021	27.205889844269567
2022	26.13510895375928