Year	% of total merchandise imports
1960	7.815825111240085
1961	7.19191148416636
1962	6.560069144338808
1963	7.788209943050639
1964	1.946728512193408
1965	2.216453674121406
1966	2.3703194778426657
1967	2.0064294424121494
1968	2.2655452379794836
1969	2.378528082108093
1970	1.9819073268420688
1971	2.027776944536101
1972	1.8804428802630564
1973	1.818505021775842
1974	1.8058757462907133
1975	1.940037883272171
1976	1.6163732414197052
1977	1.8385307059498757
1978	2.3517861525760315
1979	1.8860547492749309
1980	1.8503307828974975
1981	1.5337163250558137
1982	1.7151846925202088
1983	1.5512336139494391
1984	1.3245705562285979
1985	1.3288175308301153
1986	1.3491426115283685
1987	1.3440516327111713
1988	1.3360561462807783
1989	1.178894013124617
1990	1.2156678361474487
1991	1.26745698750386
1992	1.2227340711930896
1993	1.0223111228034423
1994	0.938176254608703
1995	0.7177717103745463
1996	0.6437105759199414
1997	0.015790729183834205
1998	0.015931459870533047
1999	0.02391032839632021
2000	0.019334411329033224
2001	0.01602693945620775
2002	0.030286755374379876
2003	0.025329868002407774
2004	0.026193825564175675
2005	0.027713921864738457
2006	0.02039198404517546
2007	0.045920518001319854
2008	0.05659684511518711
2009	0.0669047296617068
2010	0.017708061498713974
2011	0.01424180096530354
2012	0.016162917608553953
2013	0.010785195226937959
2014	0.011497334926175088
2015	0.011740640639746046
2016	0.012205485578978525
2017	0.011756100496923685
2018	0.00758028112667436
2019	0.01480066726216907
2020	0.02055231175440278