Year	% of GNI
1980	4.30032038365021
1981	3.887068104372356
1982	4.621810055280726
1983	4.474707866869304
1984	4.514031574729255
1985	4.4825870423385705
1986	4.662715996168673
1987	4.806259475582034
1989	4.6812230537105215
1990	4.191208731328647
1991	4.43984898996163
1992	3.873109845724769
1993	3.795299802501932
1994	3.584725162041534
1995	3.970928801111783
1996	4.40291141401345
1997	4.620017626656831
1998	4.861458495361281
1999	6.074133779078512
2000	5.871352827539936
2001	5.498741324999209
2002	5.412121590221879
2003	5.440905260661717
2004	4.482346328766736
2005	4.484836321693033
2006	4.307579126274255
2007	3.5007389442210615
2008	3.322846140257157
2009	3.3537891096346346
2010	2.8181891156913865
2011	2.5345248329056815
2012	2.6093772395198203
2013	2.7348382755328955
2014	3.0402205995379945
2015	3.4586216189550822
2016	3.846879452047913
2017	3.5403792216136534
2018	3.7155742509018292
2019	4.001691474239211
2020	4.076805510733664
2021	3.6266682168771984
2022	3.675822601427372
