Year	% of GNI
1970	1.4122314862750136
1971	1.175834205175886
1972	1.233826193359572
1973	1.5728724705441486
1974	1.4039098365369485
1975	1.6535448833954054
1976	1.5471735806084252
1977	2.372185750955047
1978	2.1890011216881238
1979	1.8471648937049385
1980	1.7983017985384393
1981	2.057417529850011
1982	2.9873297117829507
1983	1.9493107649675734
1984	1.9599270700783937
1985	1.7469025210941038
1986	2.4509871046049425
1987	2.025300103639374
1988	2.0082609109323224
1989	2.0991227323456516
1990	2.367523963181404
1991	2.2768708034139924
1992	2.293497815964773
1993	2.0728131905295335
1994	3.0348013602717905
1995	3.937597107033751
1996	3.8264121987055923
1997	3.4585019231775656
1998	3.7650807928305507
1999	2.5150099100223366
2000	2.4809403803655807
2001	2.581649280812241
2002	2.9617655868192903
2003	3.543024282090689
2004	2.487285725847573
2005	2.291818902501366
2006	2.036348604759658
2007	2.583710797239853
2008	2.0261995713635943
2009	2.0709863730814413
2010	1.561313054677238
2011	1.5213296017572515
2012	1.674755453763421
2013	1.723101615055258
2014	1.806379015102091
2015	2.1234643504819846
2016	2.4395004051274505
2017	2.281175554075567
2018	1.501319612428593
2019	1.3976371626625526
2020	1.625311422148403
2021	1.5658740794789425