Year	% of total merchandise exports
1960	71.89132706374086
1961	71.95936139332366
1962	74.37825332562174
1963	76.72113581569782
1964	78.19753086419753
1965	78.1483325037332
1966	74.10155344307906
1967	77.86470317533364
1968	78.21131082858396
1969	79.55580496859554
1970	78.18235393163833
1971	76.98138142807169
1972	74.66311671375789
1973	77.59313817975996
1974	84.80947987659097
1975	80.36930211514535
1976	81.66430307479742
1977	80.93711787156779
1978	80.31386155395369
1979	78.38996352981758
1980	76.73147180277986
1981	77.56749638532199
1982	72.28730421671808
1983	78.63888694923538
1984	80.66575884286146
1985	83.91998425182088
1986	85.47836330559781
1987	81.13950436192387
1988	76.87673529257688
1989	75.02952106455673
1990	74.03472926478007
1991	70.23499758756728
1992	64.71674681993397
1993	64.50712289094992
1994	58.4707852598134
1995	53.6652888937025
1996	65.66267253730605
1997	65.66227795711498
1998	60.580665460018025
1999	66.7184576956171
2000	69.42336602347555
2001	68.98054804737075
2002	72.13216192534992
2003	65.44726133759022
2004	73.43855647557722
2005	65.76254385934554
2006	69.74725353021816
2007	68.91056952708558
2008	62.74469493030315
2009	68.38512963749021
2010	61.3650593110497
2011	64.36312217689263
2012	68.47319075101555
2013	61.60129665226699
2014	64.67811563846114
2015	59.32730079306927
2016	55.5360229276671
2017	56.268404136731334
2018	52.89961436396796
2019	76.70574481299809
2020	62.35808389314427