Year	% of GNI
1976	28.0409299424083
1977	32.0783005626333
1978	15.0378413691296
1979	24.7266144891433
1980	39.3589097041395
1981	37.6203976196789
1982	23.7977400247007
1983	17.9492984902186
1984	17.3624980544144
1985	7.47289746382678
1986	11.3139747549817
1987	7.77137510213278
1988	11.1932418536977
1989	21.5529611586115
1990	14.7513284811607
1991	6.49553974707157
1992	10.7808816767377
1993	18.9353064028772
1994	20.4855752228603
1995	23.1936562960304
1996	20.9075136104898
1997	18.6160026602034
1998	14.2167285525129
1999	16.4934076218265
2000	14.580727615363
2001	12.6358212567165
2002	17.4156455019
2003	25.1875281966894
2004	20.2392548031875
2005	8.40688657381177
2006	9.82157171691933
2007	5.65040565203676
2008	19.3198145787087
2009	19.4577619094466
2010	20.9614895475031
2011	14.5557026174748
2012	9.34384850284937
2013	9.87668158186258
2014	12.2548309971345
2015	9.29290346044542
2016	6.39398683996548
2017	5.08348774738017
2018	5.13899920210105
2019	8.66321724269407
2020	5.17254127307802
2021	4.08949330210667