Year	% of total merchandise exports
1960	6.131937941359434
1961	5.236748050466635
1962	5.690040490217059
1963	5.793926616485212
1964	7.108966255034164
1965	7.8381696144054285
1966	7.860748849414318
1967	7.891562717925808
1968	8.888373174281842
1969	9.423449434276634
1970	9.381356152810962
1971	10.963583970212454
1972	9.584328240241355
1973	10.158187290273114
1974	11.310879838488933
1975	12.567332882784315
1976	11.90230477544601
1977	11.729317542097155
1978	11.239756227096445
1979	11.721033491490806
1980	12.149036728418
1981	11.915935098792302
1982	11.395406616073661
1983	9.17532104027158
1984	9.368735651939966
1985	9.029084120559673
1986	10.050911315097595
1987	8.908448579845164
1988	9.461274584169132
1989	10.550748815716975
1990	10.639620630403545
1991	10.77027908866675
1992	12.53288869587616
1993	14.250789547892515
1994	15.3027642655403
1995	15.028061409364218
1996	14.30674253098256
1997	14.812691712206078
1998	14.725442491433302
1999	11.504398912054683
2000	12.126488710923853
2001	11.946934086832771
2002	11.215196854367168
2003	11.306561126307223
2004	12.287447905913611
2005	12.608024220355007
2006	13.118172515543783
2007	13.705374036498903
2008	14.807741082838072
2009	14.197586937471957
2010	14.746970997802524
2011	14.608463261663015
2012	14.065787469031662
2013	14.011681915333673
2014	13.050898769719566
2015	12.632199074825879
2016	12.298851941350499
2017	12.418118967230109
2018	11.786236628756724
2019	11.067185303869245
2020	10.329196125504932