Year	% of total merchandise exports
1960	0.34038414782397275
1961	0.03261578604044357
1962	0.19430792090524632
1963	0.1673624606000874
1964	0.16260664963633023
1965	0.16006957162732577
1966	0.2585595496707973
1967	5.77389981683743
1968	5.931753867238557
1969	5.375429508158468
1970	0.28625446169058005
1971	4.864814188007027
1972	3.0618974704961497
1973	3.03641495981647
1974	2.4749379249721275
1975	1.8062499489058852
1976	2.923878517653361
1977	1.6462991363544663
1978	2.4702141617263997
1979	2.8336712415250798
1980	3.6238909721813526
1981	2.70515381291094
1982	2.6340148487633743
1983	2.6934162947199756
1984	2.8629393067849995
1985	3.2823784648353262
1986	2.2897506730809454
1987	3.0087507328867575
1988	3.1644739130962316
1989	3.043519970257549
1990	2.2497269330466936
1991	3.040233051754318
1992	3.8574716596698915
1993	3.4199421879760292
1994	3.1733558801544874
1995	3.694666452232234
1996	3.7135113647061666
1997	4.4412286486313866
1998	2.628092442252346
1999	4.586326527390213
2000	5.114465833087481
2001	5.701585250569905
2002	5.480123600219875
2003	5.907527964462965
2004	6.6444507101709664
2005	6.743973535463754
2006	7.971454837107607
2007	7.273973128209467
2008	6.783061483643777
2009	7.143244262754813
2010	6.986070676276178
2011	7.438640099585142
2012	8.329817542832085
2013	9.266898433525707
2014	10.216815200294128
2015	9.2673986259666
2016	10.101561386867761
2017	12.55082181943804
2018	14.070923846313319
2019	15.410321637488448
2020	16.46066411813475