Year	% of total merchandise exports
1960	7.176654743270026
1961	6.627395219716973
1962	6.150767382071213
1963	9.036388446473124
1964	8.495612012493876
1965	8.528806227929703
1966	9.632677287970067
1967	9.43691044350354
1968	11.514756663359488
1969	9.331765202955308
1970	10.109522193640723
1971	7.82885954676903
1972	8.380632475803338
1973	9.514124411412691
1974	10.333544882070006
1975	12.325948428292415
1976	13.660576555260858
1977	13.137594437558517
1978	9.824197036239465
1979	11.22710424697759
1980	10.70443140711869
1981	14.30586865068369
1982	10.2156133513398
1983	9.173762609702397
1984	9.500308400837245
1985	7.330808824098055
1986	9.604339812120614
1987	9.900440855871574
1988	10.203380145805495
1989	8.680467105185885
1990	7.1072392489210365
1991	8.20828944229914
1992	8.44597844647907
1993	6.751242245161109
1994	7.818631045586234
1995	7.2032826198162345
1996	6.8028414809316065
1997	3.165689913941752
1998	12.83049540568657
1999	6.85171407439288
2000	4.29972826848336
2001	10.676669753673105
2002	9.25844843141961
2003	6.083365348948191
2004	5.7034797998918325
2005	4.594641313443621
2006	2.10556380439451
2007	1.919650826299314
2008	1.9526243444053695
2009	1.8134636481948538
2010	4.137927297771434
2011	4.064700458871103
2012	3.8085956642547223
2013	3.6307544405302137
2014	3.565672012091382
2015	3.9008520223512955
2016	3.5574463902078324
2017	3.240497208268278
2018	3.212175300058701
2019	2.5153503915668236
2020	3.7583469945155934