Year	% of GNI
1971	14.393737756207265
1972	14.33772644574832
1973	15.291458836748191
1974	12.890376630742393
1975	11.572644722820845
1976	12.278466995329158
1977	12.247421084300056
1978	13.089708470633363
1979	11.905672459396678
1980	9.994063416454724
1981	10.13734343681903
1982	9.277805655328898
1983	8.571725991966284
1984	10.633636854674668
1985	9.670239209693593
1986	8.734915965012556
1987	9.677202558331592
1988	9.945781628026515
1989	9.601985122063914
1990	8.298558777467754
1991	7.65008322327434
1992	6.966054317144927
1993	6.122518954997255
1994	7.244032782912998
1995	8.247201505302685
1996	10.97480567462458
1997	11.424862387478157
1998	10.999811138931317
1999	10.203981408955556
2000	10.021186373014471
2001	9.082089556477433
2002	8.334096541904145
2003	8.143350864603494
2004	8.76679200083641
2005	8.656586472778036
2006	9.450385858852004
2007	9.05225931977485
2008	6.918239348822402
2009	4.651631112520742
2010	6.294337158918694
2011	6.9316726621918985
2012	7.360301267315086
2013	8.033971099704063
2014	8.658663331178053
2015	8.730507059248364
2016	8.311294586494038
2017	9.05675577208705
2018	8.912432719988235
2019	8.815470631793188
2020	7.313484188871092
2021	7.5883730282086965