Year	% of total merchandise imports
1960	0.8127762726365322
1961	0.6222139673105498
1962	0.5473982483256054
1963	0.5370513813581203
1964	0.5933791380387258
1965	0.5590124114065151
1966	0.6123016977456165
1967	0.35034316400080406
1968	0.7094056769541407
1969	0.2679012666788046
1970	0.2885395056918103
1971	0.34563186580782385
1972	0.45508382929574565
1973	0.35107219345568896
1974	0.3520300246369
1975	0.30614495131864083
1976	0.35094531312190713
1977	0.24453373735697218
1978	0.2509486725531302
1979	0.3114298530005492
1980	0.2052148578726441
1981	0.22010695885707354
1982	0.3720382791418334
1983	0.4355646258223783
1984	0.3277633222784025
1985	0.4133449165583938
1986	0.37463985166167457
1987	0.31586192571715993
1988	0.3488141788107115
1989	0.30644857675228526
1990	0.32924268684069913
1991	0.3618830945654642
1992	0.4545527765992677
1993	1.6661274916905797
1994	1.6405883981702243
1995	1.91422533762228
1996	1.7472180736368557
1997	1.7873063023201063
1998	1.604629858704507
1999	1.7349997408693463
2000	2.262136997997124
2001	2.3481660004658447
2002	2.950161190810837
2003	2.894120605517856
2004	3.5091776604474725
2005	4.165704823056393
2006	4.8707511022781524
2007	4.948987527812209
2008	4.911350561829648
2009	4.264230633782426
2010	4.345235591162012
2011	5.282960137215982
2012	5.549211848043687
2013	6.013137394163584
2014	5.293627198907652
2015	4.150337191479264
2016	4.100197410917886
2017	4.39490893485728
2018	4.586574023330483
2019	4.790132359758551
2020	4.540812991932159