Year	% of GNI
1970	4.665193267973662
1971	4.890104190641206
1972	4.6966363384951855
1973	3.5062824201467344
1974	5.292493697617983
1975	4.809159192191712
1976	7.941612803896605
1977	6.095841612391691
1978	8.292198684926564
1979	7.918501387379329
1980	6.831066930281968
1981	7.626912774467767
1982	7.403027118563446
1983	5.162220990517598
1984	4.90114779075173
1985	4.8286756672219715
1986	5.092483115737011
1987	4.805919852569414
1988	4.623658559509197
1989	6.156167397927819
1990	7.767857133308809
1991	5.498858854985901
1992	4.620374435458981
1993	4.347217924453267
1994	4.288770566407538
1995	4.221940205914643
1996	3.701202108478479
1997	3.6636854408482953
1998	1.8088401670649377
1999	1.3997090508375043
2000	1.1400458990100317
2001	1.4053331766649668
2002	1.2555490424235705
2003	0.8692348116035507
2004	1.4556230796846081
2005	1.3982189472687012
2006	1.3241736609913894
2007	1.6890370040478209
2008	1.749359985553002
2009	2.2112716805732884
2010	1.8931115018486555
2011	1.246106736717107
2012	0.9699786349489673
2013	1.120615711616211
2014	1.224354442309159
2015	0.6008317661630352
2016	0.593830311720313
2017	0.6903323808631807
2018	1.038166796934273
2019	1.4140997440634768
2020	1.8327853428502665
2021	1.9531916501379092