Year	% of GNI
1979	5.340599391269194
1980	7.667452292813409
1981	8.652800237501948
1982	6.921518463097535
1983	4.4078978009434024
1984	6.788274651415404
1985	8.120845835286048
1986	5.703335395908984
1987	7.430685398845808
1988	6.886434025421692
1989	14.696969964935816
1990	5.913991832738805
1991	6.725914869557491
1992	6.799402491349031
1993	8.685656082965872
1994	9.341297015674447
1995	7.215296980181762
1996	7.889633478060269
1997	8.14327636159474
1998	7.664317637277301
1999	6.11290315635671
2000	6.231952270490467
2001	6.061692233763285
2002	6.147701373527559
2003	5.604343558062181
2004	7.157708548136344
2005	6.800872924227327
2006	8.515789112248124
2007	9.245464416648316
2008	8.825522137050994
2009	6.506191136520412
2010	7.337495869604497
2011	5.730823756952854
2012	4.1592734947872465
2013	3.447793842277507
2014	2.1960817371403625
2015	4.048875529120215
2016	3.4034055964200363
2017	3.654790527365983
2018	2.7772317616352455
2019	3.3179086510353097
2020	4.958507415566847
2021	3.97291876007614