Year	% of total merchandise imports
1962	0.06867188572998215
1963	0.13630168105406634
1964	0.07115267330758285
1965	0.10628019323671498
1966	0.400355871886121
1967	0.3825136612021858
1968	0.41964711492608486
1969	0.7177817268458309
1970	0.9882570738878705
1971	1.1659897812131534
1972	0.7157540927029096
1973	0.7066484526658519
1974	0.33335057560448533
1975	0.2385771783082624
1976	0.44217288350174666
1977	0.3862342365858036
1978	0.46236686786778564
1979	0.32432592169388264
1980	0.36507811886629504
1981	1.0030897080758576
1982	1.1189031886355547
1983	0.8129837065297799
1984	0.4808842119648775
1985	0.7135906584495622
1986	0.5552201876569708
1987	0.5968646133011614
1988	1.0821985174032092
1989	0.7214416747570735
1990	0.6910471542068464
1991	1.0690143235719445
1992	1.3954624008804044
1993	0.9934626767165616
1994	2.3558241836939957
1995	2.245061297317185
1996	1.8484158022607364
1997	1.2842340006958866
1998	1.547422985581638
1999	3.1581980133890353
2000	1.7022070845059565
2001	1.6040910402385602
2002	1.798370278127516
2003	1.524842412101252
2004	2.5184377422317885
2005	3.504716881184015
2006	3.1137959453144357
2007	2.5315882162870293
2008	3.3204040197631275
2009	2.635053389818781
2010	1.6035486247593755
2011	1.2041625036381178
2012	1.610678211288857
2013	1.7027751461094982
2014	1.9641256637451852
2015	1.4291998180198986
2016	1.622667359213732
2017	1.5187562798915422
2018	1.6887616309826654
2019	1.4530780311595768
2020	3.2763512691273413