Year	% of total merchandise imports
1960	5.721605465414175
1961	5.298071048267435
1962	3.388173969701906
1963	6.363333887872234
1964	7.404687187020098
1965	6.2001339911078635
1966	6.791731804759424
1967	7.2700471698113205
1968	6.668759811616955
1969	7.882350035808658
1970	8.142357244508533
1971	5.021099012989248
1972	6.683295040207781
1973	6.467252399857649
1974	7.054537184046048
1975	7.6701480199392575
1976	6.157947341905832
1977	7.642374127110811
1978	6.969623731142035
1979	8.39844828719837
1980	7.420471618002482
1981	4.90184942036726
1982	4.398232136591338
1983	4.594149396469724
1984	4.531020603089134
1985	4.999414729926181
1986	4.26861155849999
1987	3.574356162393417
1988	3.806739424160551
1989	3.8055504079325364
1990	3.7790580237944176
1991	5.081857154256247
1992	13.087181902042728
1993	14.248039145475275
1994	15.688394215975205
1995	12.34283843541347
1996	13.496251816732133
1997	15.108303608886727
1998	13.37580870404415
1999	12.534950793006521
2000	15.825434902296104
2001	15.963089895025915
2002	16.577874521744366
2003	18.830189120084167
2004	20.813228157365593
2005	22.41062604654512
2006	24.117075471049198
2007	24.28362467022469
2008	26.37699159697463
2009	26.058373799920993
2010	27.348390772983606
2011	28.663460014109145
2012	27.733749226631037
2013	26.744788721248042
2014	23.831919802841018
2015	19.217122567693725
2016	19.08484713321744
2017	20.649024900382816
2018	21.572651769156273
2019	20.875738930298855
2020	18.29371555350485