Year	% of total merchandise exports
1960	5.0282286520818635
1961	7.5366508362585165
1962	4.2270531400966185
1963	5.157208588957055
1964	4.888475836431227
1965	4.659616655651024
1966	3.647466578643341
1967	3.176844334627603
1968	5.151959162452144
1969	4.737739471317143
1970	4.927746225597371
1971	5.705967976710335
1972	5.111178430778552
1973	5.127817543235674
1974	5.1883557126652065
1975	6.4420083908512655
1976	6.831787922797379
1977	7.111540375215851
1978	6.968189824888612
1979	4.349173216790058
1980	0.933723369677629
1981	0.8469962259481532
1982	0.9041753606605191
1983	0.9222854014507721
1984	1.647159986623991
1985	2.243573527355657
1986	1.9976724505573622
1987	2.259371177358772
1988	4.653785099927091
1989	5.160673992763862
1990	6.364563674067932
1991	7.088337714315853
1992	7.416434939960897
1993	7.511028786170693
1994	7.271848516065621
1995	7.9392003471894625
1996	7.638168340581189
1997	6.606239786684413
1998	8.676956998645757
1999	7.203808912500993
2000	7.277553009762914
2001	8.735907888169612
2002	10.447502960597193
2003	10.451315108528574
2004	11.916014255677206
2005	10.183103226979984
2006	9.55797573278086
2007	10.146204005057509
2008	15.279670650259957
2009	21.312300260767117
2010	19.24034148586216
2011	16.347892890530556
2012	18.353318516499943
2013	18.96984649195891
2014	18.74172939856985
2015	16.552857689442437
2016	9.030063594446808
2017	7.786019671906108
2018	7.877434090374787
2019	17.33974195784779
2020	14.445840327337397