Year	% of GNI
1977	17.169498882949235
1978	13.293951115799745
1979	12.084527820085874
1980	12.625648507641566
1981	16.063188780126964
1982	15.960294596266946
1983	16.809549661887054
1984	20.393557832220917
1985	24.263063676812077
1986	24.83396661677141
1987	22.921113669557823
1988	22.562159099946257
1989	20.246197762837447
1990	20.252547530031222
1991	13.530282856426714
1992	14.96368969643154
1993	13.384428066534088
1994	15.379906468066856
1995	16.099967864477097
1996	14.26121579088433
1997	15.876207105406344
1998	17.783794025912982
1999	16.34032775497228
2000	16.52377663708423
2001	17.36563421505847
2002	15.038497762398963
2003	14.06268633890344
2004	15.53316003121326
2005	14.733808991601688
2006	16.94773214745961
2007	17.60001125267488
2008	15.556766340801321
2009	16.35677363957138
2010	16.37713922305729
2011	14.325668910445824
2012	14.332396449960628
2013	14.405844460322802
2014	14.133775255000922
2015	15.331202471681513
2016	16.624764522074493
2017	15.036992608669127
2018	15.254960639733861
2019	14.789901934765155
2020	15.772901716648844
2021	15.420071253240659
2022	14.199245871399194
2023	13.68922415286106