Year	% of GNI
1975	30.491915842481102
1976	28.890339895726935
1977	27.74668793510484
1978	28.130251790234812
1979	29.6547873590088
1980	30.40923961758061
1981	29.44755278032785
1982	28.178361647209286
1983	27.875781966139062
1984	28.50841565867723
1985	27.557477907373684
1986	27.21281906217603
1987	26.768933625563967
1988	29.01661705110557
1989	28.765193733504645
1990	27.147990624413588
1991	19.942664252881766
1992	17.688250205592638
1993	18.539057770135525
1994	21.497109853609008
1995	24.494692612020227
1996	23.828320045074335
1997	26.827063586803078
1998	28.208893038347565
1999	29.464645564045682
2000	31.461845718876067
2001	31.974684006701356
2002	30.807683726320654
2003	28.182156146880775
2004	29.388148626759925
2005	28.48445756344565
2006	28.500819411312133
2007	29.92609111753839
2008	28.22219663373264
2009	23.56756510713595
2010	23.580355101113156
2011	22.811727407612153
2012	21.380162933045746
2013	20.28496989332193
2014	20.48566548660709
2015	20.687861359815784
2016	21.18685865338861
2017	23.19118980713507
2018	23.32868825161998
2019	23.658919288703025
2020	24.651713863450635
2021	24.13813215723324
2022	23.806738160546708
2023	21.367694385305633