Year	% of total merchandise imports
1960	13.960473864465781
1961	13.95780988274707
1962	15.045847524233691
1963	14.404818336447034
1964	13.441916812491586
1965	11.599961608599674
1966	11.102437331945529
1967	6.169164294281707
1968	5.756085004147244
1969	6.134634243225462
1970	2.7028959599570967
1971	2.2497728157860575
1972	2.2234407844058857
1973	1.4940169750939196
1974	2.683422107400674
1975	2.680963776564194
1976	2.763768306364399
1977	2.19503919712852
1978	1.7051370426024683
1979	1.5086755627533068
1980	1.6362891879973962
1981	1.206308985225317
1982	2.0444153020551137
1983	1.3800833874583587
1984	0.9682641855384555
1985	1.8482748764578862
1986	1.3357529080555128
1987	3.3625897858042904
1988	1.5782218620129878
1989	2.8616677199895904
1990	2.4649929333752216
1991	3.637987469078134
1992	4.32908461778456
1993	3.465346860296154
1994	1.0450669652972735
1995	0.5263997162597196
1996	0.5403658897671827
1997	0.14629003055879372
1998	0.20439435445902873
1999	0.19462232705556423
2000	0.12167069139064697
2001	0.13142844876156606
2002	0.31602569510482353
2003	0.1559592988032013
2004	0.29951791556720375
2005	2.113704864793136
2006	5.088109602996985
2007	3.0378070224519895
2008	4.284971688274437
2009	5.147838781444493
2010	2.2234626143607596
2011	3.1507542846782366
2012	1.139402588250822
2013	0.002419491185194906
2014	0.015949117346422
2015	0.6058530089009616
2016	2.9447320923793656
2017	0.3823107995242383
2018	0.0017179280126866758
2019	0.003845793306449364
2020	0.0004176895999692552