Year	% of total merchandise imports
1960	2.5837592277115276
1961	1.8686526743398781
1962	2.078342505665264
1963	2.3237660622072775
1964	2.311888942904986
1965	2.4782733263298637
1966	2.3985557083906466
1967	2.1044427123928293
1968	2.2585295530994713
1969	2.3360351113156126
1970	2.2377109317681585
1971	1.9464545867067897
1972	1.7098943323727185
1973	1.5879490281020563
1974	1.453356244110637
1975	1.4207510597056254
1976	1.645279480456337
1977	1.7872729832465155
1978	1.7566655838476724
1979	1.6809918988342225
1980	1.5380648541130342
1981	1.3409861478984084
1982	1.76294631633496
1983	2.0224614861277903
1984	1.7459582415233752
1985	1.7904069670391514
1986	1.5389834805334248
1987	1.2053752891953264
1988	1.1389781011999167
1989	1.1192892228577853
1990	0.8536331221892127
1991	0.8962511770423959
1992	0.7831417317821545
1993	0.7412860208372651
1994	0.8593404459711801
1995	0.6334157617157714
1996	0.5959794642866776
1997	0.6929810468285966
1998	0.7375677412021101
1999	0.2668281031554504
2000	0.36864637187314914
2001	0.3565286820182312
2002	0.35537586694787116
2003	0.29371428742891187
2004	0.33270520746472765
2005	0.3295845372824437
2006	0.3523704274686863
2007	0.3413560485402399
2008	0.3132997495962103
2009	0.2911408934011571
2010	0.34263905678779294
2011	0.32858127347476085
2012	0.24552718593921474
2013	0.2262447168977427
2014	0.33422127902634063
2015	0.5137720627250939
2016	0.36324208323557206
2017	0.3125941236380188
2018	0.2846580726921707
2019	0.2596674271208825
2020	0.24601177623529277