Year	% of GNI
1970	0.0325974212295072
1971	0.0800489145478908
1972	0.0814904043053594
1973	0.0814096200497152
1974	0.288421397646633
1975	0.47757960167124
1976	0.535597239242281
1977	0.562861913333693
1978	0.542336498154659
1979	1.06847306040433
1980	0.66635017273931
1981	1.23759111367076
1982	1.18295018785324
1983	1.39091137250316
1984	1.39583440102044
1985	1.68609518925254
1986	0.773786547493681
1987	0.861132552691085
1988	0.69825355460844
1989	1.14617458478307
1990	1.34980326203193
1991	0.993917177258432
1992	0.788333340688214
1993	0.699787874007355
1994	0.671917549870446
1995	0.812689436641984
1996	0.850028516293043
1997	0.753158951768556
1998	0.464545104582445
1999	0.645133929567167
2000	1.02346180781452
2001	0.828110360959471
2002	0.867367943069896
2003	0.819592968436801
2004	1.10715672736029
2005	1.19300805301211
2006	1.22182190122872
2007	1.07291727902525
2008	1.66142827807217
2009	0.775417579734654
2010	0.986014030556976
2011	1.45102210281334
2012	1.3102539931059
2013	1.13323728072323
2014	0.897408488460908
2015	0.446690449248634
2016	0.351538246031059
2017	0.445012813391893
2018	0.585321120194591
2019	0.410880933208775
2020	0.26604937301083
2021	0.511873027354764