Year	% of GNI
1970	4.8183463573897
1971	8.892230634299523
1972	12.92529677817168
1973	10.206425134917152
1974	8.59761303401326
1975	7.916130134032125
1976	7.279733613123625
1977	6.913745546214814
1978	7.192383560268638
1979	4.698035734246259
1980	6.025327119514125
1981	7.6476761305782865
1982	10.344309016796881
1983	11.851100246317813
1984	16.688388129969464
1985	14.56135622254655
1986	12.505847246690463
1987	11.850315973932952
1988	14.17069250515828
1989	15.112366490336097
1990	17.8618358136805
1991	13.773477734117037
1992	16.655365284423755
1993	18.763256122206997
1994	17.60176821384246
1995	14.331570343302932
1996	10.423609128270272
1997	11.528838543589256
1998	8.846988306600164
1999	6.653442248507195
2000	9.235531602843356
2001	9.501516102133634
2002	9.963802553130888
2003	6.11394172019458
2004	7.072347996808541
2005	6.7983093934763525
2006	4.3326043146888065
2007	11.418584247293332
2008	8.830533960938043
2009	5.041524811081283
2010	6.157334569459768
2011	7.275517797305032
2012	2.3934411785385565
2013	6.466232115171768
2014	5.123255176182346
2015	5.415634845702163
2016	16.731381306323968
2017	12.847947047029384
2018	12.190913167865462
2019	10.259725700911778
2020	5.647644534614233
2021	16.242468797138272
2022	14.941915117339352