Year	% of total merchandise exports
1960	1.2885971310478967
1961	1.2285279408567078
1962	0.6972225397188251
1963	0.5191025652946044
1964	0.7012411765566741
1965	0.8353773552577372
1966	1.1402029385320742
1967	1.2678521393581441
1968	1.391634836237199
1969	1.5931325364462103
1970	1.5491641630493245
1971	2.049651686416981
1972	1.2789504061226749
1973	1.0943403547402986
1974	0.740506225518634
1975	0.9788464525502095
1976	0.7214373047622904
1977	0.9091647127227879
1978	1.0235273754771397
1979	0.7625428063578065
1980	0.552333848513373
1981	0.7442733139229705
1982	0.9238811133706991
1983	0.9591862961649636
1984	0.9536233806547023
1985	1.0397239976889898
1986	1.0015272897852552
1987	1.1947601508527719
1988	1.3310907125901388
1989	1.4023710503353384
1990	0.9446866209073574
1991	1.0584649710894927
1992	1.1657162357022257
1993	1.9254607253263563
1994	1.1403883172456675
1995	1.1613471448629966
1996	1.14762421975563
1997	0.9906046565507689
1998	1.1016687318059188
1999	0.9672432734895733
2000	4.354424127348363
2001	4.552371851490091
2002	5.224407494179842
2003	4.528006075040589
2004	4.88100987337274
2005	3.842012167589401
2006	4.238641199140996
2007	4.1291471611708115
2008	3.638142631447381
2009	5.79517467511753
2010	4.179486879185182
2011	3.6080983364812225
2012	3.0689595777570475
2013	4.187390755734071
2014	3.760117765568485
2015	4.944924391597278
2016	5.868019676260173
2017	4.989619350639842
2018	3.8934531028705646
2019	4.730190638910804
2020	5.025648096538117