Year	% of GNI
1970	2.733324621997786
1971	2.4953442084108075
1972	2.560701229981642
1973	2.5813679977951804
1974	2.645935732962356
1975	2.643604887015494
1976	3.1571682404194816
1977	2.9027623321786744
1978	3.3189693358303307
1979	3.2542945584414116
1980	3.0867332587014054
1981	3.313764106617608
1982	3.345686444965098
1983	2.935292094271915
1984	2.8631129781416145
1985	2.6919914395893803
1986	2.7805308163015803
1987	2.8325174718607693
1988	2.5896666874832728
1989	3.0735523699341134
1990	3.0984081985668195
1991	2.9852292904987805
1992	3.173882112341368
1993	3.1873543866450835
1994	3.3685154134099196
1995	3.207612493025802
1996	3.2713339981872687
1997	3.44322339014263
1998	3.4394693068931974
1999	3.192943341565236
2000	3.258615837953166
2001	3.328612645625188
2002	3.2401859632197585
2003	3.2971569605901774
2004	3.267391564658584
2005	3.3389357125611356
2006	3.337439225945692
2007	3.31780825158928
2008	3.3061278063074013
2009	3.354825850808196
2010	3.352280359348562
2011	3.3876928493772325
2012	3.2887593508369344
2013	3.2233648978735023
2014	3.160522664446503
2015	3.044251934188299
2016	3.0216349993683362
2017	3.017771558140646
2018	2.8843030683230637
2019	2.860135680254516
2020	2.7215139926956127
2021	2.6915680801167805