Year	% of total merchandise exports
1960	28.656683223367185
1961	28.643609218632854
1962	29.03457136881107
1963	22.371793276767274
1964	23.65232766068594
1965	26.00310661989284
1966	32.702275856483354
1967	24.90675507666805
1968	27.801728670269814
1969	30.32997664055906
1970	31.558485988865737
1971	30.960455445240687
1972	21.45476914505908
1973	16.401899706222878
1974	27.669436869415666
1975	33.15923207227555
1976	17.471429985591254
1977	19.071915438315937
1978	17.939699079027744
1979	27.63774443897179
1980	38.42946961147832
1981	42.78043561638305
1982	43.75416914288486
1983	34.03023886474237
1984	28.517236530734962
1985	23.944805194805195
1986	55.44239177133614
1987	32.647048067830966
1988	29.30195361183785
1989	34.262668832922365
1990	35.6589285865498
1991	32.47739675301862
1992	35.21362712305295
1993	38.17830642862628
1994	52.04939257079124
1995	55.536338578480326
1996	61.36479617482519
1997	54.55979539987437
1998	54.38510931838438
1999	54.75839476809998
2000	53.18401607843699
2001	74.72272073097945
2002	77.7275709201986
2003	70.60993232201255
2004	61.21342747524806
2005	62.71081282081903
2006	62.80196022150584
2007	66.63286388841318
2008	59.99344354840142
2009	59.41406703598267
2010	47.95202196780642
2011	47.293025138058866
2012	53.848446159569505
2013	45.053473068072115
2014	43.47856482041569
2015	43.89720790951154
2016	49.004912036540524
2017	53.12775857636868
2018	64.32811470347198
2019	62.07962411162745
2020	65.88365040603337