Year	% of total merchandise exports
1960	4.409880269558722
1961	3.783972798085521
1962	3.861593398733519
1963	2.9744741937728825
1964	2.647305478029905
1965	2.5618087671104273
1966	2.2415866869971985
1967	2.181400902999164
1968	1.9158402450816299
1969	1.8136548038623954
1970	1.7013404015281137
1971	1.8925961000821088
1972	2.135325091610003
1973	2.3141295778736244
1974	2.7559741326697433
1975	3.1817899758868213
1976	2.252351137635269
1977	2.080880071315902
1978	2.36226501953449
1979	2.581774319170351
1980	2.7873289443574274
1981	3.332569501245395
1982	3.1187393403869557
1983	3.583947534281736
1984	3.2594203652824074
1985	2.4903513572844687
1986	1.9429003684828825
1987	1.9052321874454776
1988	2.385111477609024
1989	3.1728521629297237
1990	3.828836189996252
1991	4.242787161743076
1992	3.93127543924537
1993	4.26654171539236
1994	4.335313064391014
1995	3.611353843382903
1996	2.2596553952747818
1997	2.560799133584331
1998	3.0347841199773304
1999	2.1191615952817555
2000	2.8676434854961115
2001	3.335819858682258
2002	3.563241443621798
2003	4.521343119730072
2004	5.86980067742357
2005	2.032819412089171
2006	3.5802468010863313
2007	8.84267480318822
2008	14.591832469558275
2009	12.970456236963118
2010	9.977724066818704
2011	2.679388336773751
2012	1.8068329991223209
2013	1.2945246781234556
2014	1.179497790323653
2015	1.1208080121022221
2016	1.1146632424056822
2017	1.1888812691580064
2018	1.0854203850694664
2019	1.3127197388350098
2020	1.4114153371670042