Year	% of total merchandise exports
1960	1.731958762886598
1961	1.5576962492314
1962	1.0614146298316478
1963	0.6198623623799897
1964	0.2743958816757237
1965	0.3765211004217634
1966	0.37398434794202917
1967	0.16628610902857555
1968	0.20898405016313817
1969	0.24185402284693897
1970	0.2619741728398272
1971	0.24972384392469385
1972	0.2087604445275585
1973	0.2756533172422283
1974	0.3469620078951795
1975	0.26561954596449916
1976	0.34569879802898273
1977	0.36138074467003983
1978	0.29865903297757607
1979	0.016077591853880177
1980	0.0610030823433257
1981	0.025870755743403202
1982	0.03514372939455261
1983	0.012592434525622597
1984	0.020954109394354367
1985	0.03200005689017676
1986	0.012558973593244723
1987	0.0074752331238566285
1988	0.0293720818991213
1989	0.03426676552388157
1990	0.013945896581449353
1991	0.018888481789253793
1992	0.13602663449315694
1993	2.0411877818893016
1994	3.170752672651193
1995	3.991727446511483
1996	4.026237931861169
1997	4.873831263559484
1998	1.630309294498899
1999	2.9833441975472295
2000	3.9161341777261285
2001	3.4182362069432024
2002	3.3374320690076944
2003	4.517285671834899
2004	4.34560990564016
2005	4.481388661046862
2006	5.883762021989016
2007	8.611115448588135
2008	8.224141785962749
2009	13.071427678051977
2010	11.219925948619215
2011	13.713152607684744
2012	12.742651705099886
2013	14.584782332155505
2014	11.53531044741611
2015	10.960414668226946
2016	11.213888787906317
2017	11.931162966129309
2018	11.873293312198811
2019	13.168301391594749
2020	13.700317056237482