Year	% of total merchandise exports
1960	65.50756466569058
1961	67.48204667863554
1962	64.73288586868686
1963	62.3442016287118
1964	66.10095208494396
1965	66.64825883094944
1966	69.15981070399039
1967	69.48151776226156
1968	66.81595965409664
1969	69.6536429794484
1970	67.0561536138888
1971	69.97335025006704
1972	64.27405358877728
1973	64.90774381081592
1974	65.1623581343935
1975	63.30726384447398
1976	73.4809184175478
1977	72.67513678427231
1978	66.72780638839274
1979	65.39776903434283
1980	64.29032775883827
1981	66.65669915661759
1982	70.45316514219373
1983	67.85535344211607
1984	67.75034639735563
1985	67.99676273768917
1986	63.500770797146245
1987	63.434023573217736
1988	64.08245077334024
1989	59.164039361976315
1990	64.55224490300584
1991	61.24844073711028
1992	66.4283343087826
1993	61.69008120266041
1994	62.14073394091491
1995	59.122952704924195
1996	46.55522927509115
1997	53.58364739129956
1998	69.53188854271156
1999	65.56021278205392
2000	58.980177414481574
2001	61.9494390872656
2002	62.67134120572203
2003	58.795574248022255
2004	51.05665112433232
2005	46.393898300662286
2006	53.297973560176736
2007	56.3754857508074
2008	50.826407180421995
2009	47.99299667929962
2010	52.58651288098797
2011	52.586196621339
2012	45.77216790814543
2013	43.583667849919316
2014	44.13025088861278
2015	44.86340867050441
2016	43.36609023363297
2017	46.802926676281395
2018	42.54233637430399
2019	48.06663246600171
2020	48.85327874374996