Year	% of GNI
1971	22.686862670964977
1972	22.779144914688032
1973	23.975221550654258
1974	23.015624462353607
1975	21.75239791977344
1976	22.261779008207707
1977	22.62913976348885
1978	23.434966915373515
1979	23.444328905437114
1980	22.336074678988464
1981	22.223922648538768
1982	21.19581876692703
1983	20.558851551003762
1984	21.98499426493394
1985	21.171316410738648
1986	20.76929406629824
1987	21.07760740611379
1988	21.968766194200263
1989	21.855881724797026
1990	21.4499243408458
1991	20.913722204565143
1992	20.004651564778182
1993	19.646370118647237
1994	20.481703937938928
1995	21.417600225635947
1996	23.941990600876768
1997	24.209021353220308
1998	24.069489328757303
1999	23.566597973202835
2000	23.72673228376274
2001	22.651359072266384
2002	21.78778876858073
2003	21.491908779101617
2004	22.048433304621152
2005	22.181729440113696
2006	22.77334955665879
2007	22.51833592750419
2008	21.227136676020617
2009	19.28725961324223
2010	20.41036661760477
2011	21.05415256212239
2012	21.419699110034394
2013	21.49512097865534
2014	22.07160480251119
2015	22.304473227144587
2016	22.073400900189682
2017	22.644697945806083
2018	22.75741646575418
2019	22.891354861570942
2020	22.183451526016036
2021	23.00136122162259
2022	22.459185561525675
