Year	% of total merchandise exports
1960	8.515726329442282
1961	8.70527166744671
1962	7.579265699570003
1963	8.067226890756302
1964	9.369803985855132
1965	8.949558991611136
1966	6.901148482362593
1967	6.988390075702389
1968	6.599251796792134
1969	6.187732834874963
1970	6.013562431656129
1971	5.889038948291448
1972	5.880005889294031
1973	5.310855776597818
1974	3.855120732057811
1975	4.233773442779777
1976	3.874567553270161
1977	4.403803558483547
1978	3.8506110822049897
1979	4.148757558761177
1980	3.939671620703082
1981	5.920409196174817
1982	6.3728336917890385
1983	6.022923510364866
1984	6.245391805734437
1985	6.45207738468047
1986	9.400770096723269
1987	9.12600315703256
1988	10.346064150904004
1989	10.230171350024529
1990	9.86893928382836
1991	8.524001433089824
1992	8.737472799806486
1993	9.45582734844938
1994	9.736274893861271
1995	9.666230823653088
1996	8.86947605695904
1997	8.685291031809944
1998	10.556067530294463
1999	8.56062450245373
2000	10.623422679980434
2001	11.379128210273121
2002	12.592257273539575
2003	11.526818645640859
2004	11.7066386591595
2005	10.354422137002462
2006	10.270814426506039
2007	11.966232893225984
2008	12.764061463309066
2009	14.570959126727157
2010	13.367004982366861
2011	11.269636819846584
2012	11.628552756459753
2013	12.456437663405286
2014	12.878381278577278
2015	15.53946216463509
2016	15.12422684639925
2017	14.571987811884258
2018	11.967441106537576
2019	12.789485553516954
2020	14.902086756267519