Year	% of GNI
1961	20.46052212404155
1962	21.739783033214394
1963	21.977175556821646
1964	23.21090089668474
1965	24.260177194783697
1966	24.744421497626682
1967	22.930729372519835
1968	22.32487978733864
1969	22.27803341484787
1970	21.52605458924666
1971	21.6010232543716
1972	21.60253983576793
1973	23.723035643016463
1974	24.650506906426955
1975	21.564005314256228
1976	22.28002346394015
1977	21.03888441202231
1978	20.810994834310435
1979	22.664134727628532
1980	22.783696444450115
1981	23.26907564321
1982	20.61191426600483
1983	20.657776890672906
1984	21.579896308099123
1985	21.18154988112147
1986	19.62755872750659
1987	20.80824612664102
1988	21.66228593167397
1989	20.855555260784747
1990	18.422792478361423
1991	15.661226341609808
1992	14.579555538545916
1993	15.407513072569168
1994	17.613864608361645
1995	19.625667347921844
1996	20.13040049644564
1997	20.842584197342187
1998	20.46249129005117
1999	21.83045098225162
2000	24.41505635805331
2001	23.29114160348953
2002	22.28857692949248
2003	22.497067799168455
2004	24.181583668155756
2005	24.961852326117096
2006	25.014854024072473
2007	24.768899623572022
2008	24.608960715598343
2009	18.844487102097208
2010	19.701897912592308
2011	21.258648736945535
2012	21.295872680654085
2013	21.931344457631315
2014	22.512251988834656
2015	19.87382492378418
2016	19.383250783465716
2017	20.100908642870923
2018	19.92162175444352
2019	20.505997485481362
2020	19.603930862565722
2021	23.492738726339763
2022	24.39238187224417
2023	22.167287443170324