Year	% of total merchandise exports
1960	86.32911392405063
1961	100
1962	81.86397984886649
1963	88.64864864864866
1964	87.45061673505164
1965	84.88850621679995
1966	84.20895849991376
1967	89.95996821904413
1968	89.24824650800312
1969	84.38436141598787
1970	85.05013365214351
1971	83.45166154828341
1972	85.18248020661332
1973	82.80356485971308
1974	82.20264721166485
1975	81.42629186291477
1976	82.50564454859662
1977	74.83790781214272
1978	78.61958020530105
1979	78.20707428141915
1980	72.61670262952127
1981	70.35046771659297
1982	69.27622127361576
1983	68.84206169967965
1984	68.42302143440693
1985	65.70738404004771
1986	66.60678394742592
1987	72.74686463689602
1988	73.46121093133777
1989	75.39055577422887
1990	76.33311865485743
1991	77.17816926861485
1992	78.06298610640155
1993	80.09502208417413
1994	80.14412275228739
1995	80.76256650521407
1996	82.57167957053382
1997	81.85488484749911
1998	76.71785313725718
1999	76.86450818599634
2000	89.6810480334234
2001	91.65744170658395
2002	91.07096374802262
2003	88.99246529430206
2004	89.47080550682115
2005	89.96559664589512
2006	87.56074881923085
2007	86.69767701518583
2008	82.82029221745508
2009	74.57072928926544
2010	67.38174566491797
2011	71.70681217133892
2012	62.616069317509925
2013	50.07302366034345
2014	62.65075469888275
2015	64.33578357797678
2016	57.054750381477206
2017	60.852921645367644
2018	55.50592176938676
2019	55.8625628888882
2020	54.77702883336482