Year	% of total merchandise exports
1960	9.190974133186572
1961	11.154708520179373
1962	8.164165931156223
1963	7.525453740593183
1964	8.197556008146641
1965	10.046130189646336
1966	10.261470152935374
1967	8.780943484353106
1968	7.145931984502798
1969	5.777853642695666
1970	8.878471791744431
1971	10.094393322760633
1972	10.02489668295709
1973	10.676256818213044
1974	12.586981464884891
1975	13.034662151552185
1976	7.536347463345806
1977	8.564786103455683
1978	16.493602321631737
1979	16.24671088324653
1980	27.032080335443997
1981	31.26412667490853
1982	43.46140275141286
1983	26.989597181440743
1984	30.58319650390174
1985	28.541514152364744
1986	23.94800160807397
1987	17.056925945149597
1988	17.366942649004123
1989	14.644728127923662
1990	17.511316177606247
1991	13.987255815910867
1992	31.770797682877138
1993	31.893332276875768
1994	20.316584196779758
1995	26.071291203427275
1996	36.08386920517603
1997	33.19912578240123
1998	37.89486627269611
1999	31.428283662923246
2000	65.72051520199584
2001	65.58121275698082
2002	65.03694111079761
2003	29.049027810978927
2004	11.224307113482597
2005	7.974609550709228
2006	9.715396328757862
2007	4.765762876800272
2008	6.490851896426145
2009	7.87171775000176
2010	14.218127026090238
2011	19.199221042021435
2012	78.77752253363329
2013	36.711093647828314
2014	53.913378423835866
2015	57.87801556328126
2016	82.51362398344419
2017	69.17135142986298
2018	61.11724467814245
2019	59.64122911041769
2020	59.64122908681604