Year	% of total merchandise imports
1963	4.398826979472141
1964	7.7134986225895315
1965	22.950819672131146
1966	27.46666666666667
1967	22.612085769980506
1968	13.931888544891644
1969	8.517090722179388
1970	7.240232936924072
1971	6.190476190476191
1972	9.342450403646827
1973	11.14199290510579
1974	8.914642050915269
1975	13.99627509575319
1976	7.076134358667066
1977	12.766533754118084
1978	6.727294270987618
1979	12.095055098454615
1980	6.590177349959289
1981	3.2943100179170943
1982	5.243668452631291
1983	1.221367978887281
1984	1.8200130427954124
1985	5.088252286154849
1986	8.080279589169818
1987	3.193121438575109
1988	1.7145735484594389
1989	1.5767683487917339
1990	1.1712077896736903
1991	2.7196916164234093
1992	2.1938606734211494
1993	2.488124355678906
1994	2.9798709104663006
1995	4.135515844518927
1996	3.0872078694011442
1997	1.8602295896886913
1998	3.116096405470295
1999	3.1179186780741617
2000	0.04141764961242368
2001	4.483896771857611
2002	4.128087856458796
2003	4.941121884373949
2004	6.077737597346264
2005	7.696353648414542
2006	7.929646720834456
2007	7.22702728182048
2008	9.08925163137621
2009	10.306729702309237
2010	10.995246405063813
2011	12.560936738935172
2012	16.055520970850505
2013	14.377535371871481
2014	14.590954571345897
2015	14.996968412290329
2016	16.675909837667273
2017	16.446214096117597
2018	16.049303026576187
2019	18.952829040519603
2020	18.959688378086955