Year	% of GNI
1970	0.033399001954722986
1971	0.0297931109896449
1972	0.030134477776002762
1973	0.03665068767158599
1974	0.03663798784707236
1975	0.03536875589420659
1976	0.03674586207075891
1977	0.032109548842832576
1978	0.030195553270883125
1979	0.03354039809381939
1980	0.034100291001493546
1981	0.028337405103100392
1982	0.029217903376772183
1983	0.0277436522844478
1984	0.024670808836534414
1985	0.026356825006524285
1986	0.02306018126633385
1987	0.01966393214299565
1988	0.024033808238660238
1989	0.02674695980251822
1990	0.02187161916603641
1991	0.01687796720541712
1992	0.015403661838390582
1993	0.01612563765729579
1994	0.016117920759158286
1995	0.01760550931105103
1996	0.018025313254453453
1997	0.01624132456888727
1998	0.013892031524718467
1999	0.013236930780979895
2000	0.017360588902984624
2001	0.00632420670988814
2002	0.00464415310294204
2003	0.004851274902190285
2004	0.0038239868201532462
2005	0.003953553249535509
2006	0.004941795725375301
2007	0.00567338724387157
2008	0.005919036256677571
2009	0.005062798683446399
2010	0.005478356700026972
2011	0.003929844033977364
2012	0.003877371987589464
2013	0.0037613069247219516
2014	0.003815416052969899
2015	0.0037694494885583798
2016	0.0034646349066032893
2017	0.0035474573427624664
2018	0.0038670399999672853
2019	0.00398130401175546
2020	0.010499584879028688
2021	0.010723421678512784
