Year	% of total merchandise imports
1960	2.5836007627552204
1961	2.9104728917111657
1962	3.7223375435386834
1963	3.0855127828386717
1964	2.5463676813956564
1965	3.310805865274355
1966	2.8150337197847994
1967	2.637274659204854
1968	2.2710970874129455
1969	2.678212140632219
1970	2.8000565824582755
1971	2.209056736391294
1972	1.9506795365037448
1973	1.3753511243847596
1974	1.7837608666980345
1975	1.9279554851809853
1976	2.296417919646234
1977	1.5542745859245135
1978	1.2515227334402594
1979	1.2350189159859501
1980	0.7852623169457007
1981	0.9765230927415842
1982	0.8388597883192656
1983	1.2978923871827646
1984	1.337802592869418
1985	1.084906961413527
1986	1.0482682800008636
1987	1.0796388791253098
1988	1.2557652836769335
1989	1.0278194440203454
1990	1.016886825996731
1991	1.039245704615445
1992	1.1136249912368266
1993	1.2207887011361764
1994	1.2447599976707788
1995	1.3734966941984317
1996	1.4076721891813546
1997	1.4884327796691073
1998	1.3904864707310003
1999	1.3169763884599688
2000	1.8229979988601308
2001	2.262837123007148
2002	2.5125462941460674
2003	2.922511735364751
2004	2.3276606449746446
2005	2.0170503376587483
2006	2.4533076953882453
2007	2.4126483168728923
2008	2.4834285157427676
2009	2.4042473236475277
2010	2.5348417919857393
2011	3.359202302286884
2012	3.3972182198421326
2013	3.6863632403965507
2014	3.455360243925066
2015	3.1021298668735513
2016	2.8145124789753666
2017	3.1555788398460773
2018	3.545195480176908
2019	4.4583329187012515
2020	3.6318364354765493