Year	% of GNI
1970	17.2997195973735
1971	16.3805947307371
1972	15.7721571413962
1973	16.2724718083464
1974	14.5196221986486
1975	15.4531052788621
1976	12.9487195346568
1977	8.93796562008549
1978	8.20655535677307
1979	8.79958517358727
1980	9.24109400052331
1981	7.30612420071708
1982	5.81940823759266
1983	7.69392423362433
1984	10.4795831879234
1985	10.1870138998352
1986	10.7895004861148
1987	10.9220890931546
1988	11.4946721748002
1989	11.9482244836032
1990	10.7425142211986
1991	7.69874496511867
1992	4.49633303893213
1993	1.73094147523186
1994	6.09295399878978
1995	9.42621376227262
1996	8.9847058097473
1997	9.28176548728442
1998	10.1162275425597
1999	10.5528373137747
2000	11.248846895697
2001	11.0489014399987
2002	10.0303759298041
2003	11.6144683968012
2004	12.0371989266882
2005	12.3955097630115
2006	15.121998835648
2007	16.4862716103432
2008	15.195304322777
2009	9.45066623349459
2010	11.9527058877671
2011	12.2314744391026
2012	10.4790221887759
2013	10.1749990890523
2014	10.4535931016136
2015	10.8157391067156
2016	10.4675599524677
2017	11.5603610747453
2018	11.3881835841928
2019	12.966909885343
2020	12.9306754328214
2021	13.4828299454766