Year	% of GNI
1960	0.004385344317162217
1961	0.004131680489157764
1963	0.003653257976233615
1965	24.208299422060225
1966	22.010261336480408
1967	22.340757083805816
1968	22.891543478250796
1969	21.846431750958313
1970	23.5932792227023
1971	21.176809155527884
1972	23.790271745937243
1973	16.02149337783722
1974	19.331892830313894
1975	23.709497731078166
1976	16.179233222511186
1977	15.642099787364645
1978	15.155843183424308
1979	12.565327195248008
1980	12.797852626923104
1981	13.24988082372444
1982	13.607970519968108
1983	13.384451923278373
1984	12.770855083291385
1985	10.824241964191707
1986	9.962413698801052
1987	10.40727385093436
1988	10.359406255005151
1989	9.55527738179624
1990	11.956097625760268
1991	9.39989779371973
1992	10.88756577312071
1993	6.229832364007492
1994	5.860715236470777
1995	8.199605551888055
1996	8.078294312515649
1997	7.342491232647501
1998	10.182480838062537
1999	6.654956203617466
2000	8.325705292116531
2001	7.273369539179882
2002	7.340520385738849
2003	7.120100335012074
2004	7.365904106829831
2005	5.92786096619196
2006	3.634391624719937
2007	3.765848124056687
2008	2.7940008581071054
2009	3.668667684505643
2010	3.9012449161706617
2011	3.788316638592414
2012	3.318562630761776
2013	3.364322110076313
2014	2.5512185931480627
2015	2.9167567879008502
2016	2.6802320805905984
2017	2.4565964945344088
2018	3.466766186841878
2019	2.8186911113983553
2020	4.566174041329607
2021	4.747928541822084
2022	2.218838585279785