Year	% of GNI
1970	11.2434643545407
1971	11.1515445188516
1972	11.1877277375309
1973	11.4499129911668
1974	12.2716831781461
1975	13.5881780431693
1976	13.2113285053322
1977	13.3696844944631
1978	13.0691830238104
1979	12.5947722630998
1980	13.7504470200409
1981	14.7325473361001
1982	14.9718391810406
1983	14.8241807200152
1984	14.720503822998
1985	14.866448924033
1986	14.5427780431256
1987	14.4039611842681
1988	14.2426971413188
1989	14.2684159528629
1990	14.262477140768
1991	14.3408207918807
1992	14.6461365278846
1993	15.0743055414271
1994	15.0629473697599
1995	14.8139687963132
1996	14.6269834025131
1997	14.5776107440239
1998	14.6378610955021
1999	14.6640346977002
2000	14.7836956005276
2001	14.822130234429
2002	15.1704262015591
2003	15.2839702780114
2004	15.3930333789717
2005	15.6310134055022
2006	15.7332597220032
2007	15.9124999612334
2008	16.5642539663259
2009	17.3795426239304
2010	17.5718553578558
2011	17.7173862113621
2012	18.2838572505588
2013	18.3491987741979
2014	18.1970530380375
2015	18.2487616417468
2016	17.6805863793408
2017	17.5111046269534
2018	17.3772397323148
2019	17.4570852643498
2020	18.9101516044359
2021	18.1063327182585