Year	% of merchandise exports
1962	9.449191337907768
1963	8.846612656713454
1964	6.3682368242990135
1965	5.3599410097714895
1966	5.49165202141523
1967	17.58690698269563
1968	7.815199912509165
1970	17.51478078859957
1971	17.48467022644347
1972	12.589037607988768
1973	2.9891901442881372
1974	3.84977049933755
1975	4.732114354369044
1976	4.259637777584711
1977	10.11153887301261
1978	7.017879853036082
1979	3.0871868886187834
1980	1.0189786056952772
1983	1.1934449217828693
1984	1.551950209718314
1985	1.4555868586339171
1986	1.5600986483249035
1993	1.2502935549625718
1994	0.908911365885844
1995	1.007260885887429
2007	0.3646114995237667
2008	0.3988237977583874
2009	0.43249168177627817
2010	0.48282801376345713
2011	0.14685965499651765
2012	0.20950442876175485
2013	0.14789363133147657
2014	0.22091540847832006
2015	0.2073378144982094
2016	0.2573033380272041
2017	0.3309357327397794
2018	0.2121654843789485
2019	0.3881297323032567
2020	0.381750540167135
2021	0.8118801595472473