Year	% of GNI
1970	3.214310036056532
1971	3.7552949365312234
1972	3.74206182697563
1973	6.518294516634618
1974	2.583349907841615
1975	3.430100280897772
1976	3.031887829479378
1977	4.010246722681681
1978	5.135156230501149
1979	10.231771650255311
1980	10.821488707156481
1981	12.974851299676962
1982	8.351230070601552
1983	11.15716974037506
1984	12.46873046171744
1985	12.065750555975677
1986	14.289683398831835
1987	10.659652210935352
1988	6.987308246093768
1989	9.319845726371717
1990	2.79832597022689
1991	4.162775313760927
1992	2.3034586283246528
1993	3.7402391979994865
1994	3.795128516484735
1995	4.978418995075405
1996	2.8230966438803895
1997	2.6842595754566654
1998	1.5143890121028347
1999	1.1716175044415587
2000	0.2054496881995347
2001	0.22692590354127462
2002	0.2487489311083528
2003	0.17648123934283838
2004	0.1925389885910792
2005	0.19202354706429925
2006	0.37238105845816855
2007	0.3785163923862897
2008	0.27624353583829864
2009	0.299785938318827
2010	0.4858894143421102
2011	0.36044679118043293
2012	2.0049005233151362
2013	4.2137442142943025
2014	0.9905690803150492
2015	0.8385877110435633
2016	1.1676545364820712
2017	0.9768111322430082
2018	1.240948351722823
2019	0.868017263241769
2020	0.6602140456775686
2021	1.205589888602672
2022	1.4665605989351234