Year	% of total merchandise imports
1963	10.649350649350648
1964	0.9174311926605505
1965	4.216073781291173
1966	4.166666666666666
1967	4.182509505703422
1968	6.169338441452818
1969	6.439159385057604
1970	5.314628249480213
1971	7.321135733358518
1972	8.101152994623192
1973	9.531288863504463
1974	10.119444591471268
1975	15.166061122940263
1976	8.382388589994537
1977	20.247275336751933
1978	17.829466783721305
1979	19.047095956821995
1980	22.40244411008783
1981	18.51133654883686
1982	12.159779359062057
1983	11.813154488763395
1984	17.164292087707487
1985	17.049886556190586
1986	16.903621361877768
1987	6.841785697780228
1988	5.115501711075112
1989	4.362688685640139
1990	4.38858852018167
1991	5.47422239196075
1992	5.181695826996206
1993	3.818059190496517
1994	2.72284181168081
1995	2.2822676338586643
1996	2.3287124784997624
1997	2.467345481568024
1998	2.7290121693368987
1999	0.7035678414246395
2000	0.9145811019196349
2001	1.041325084970039
2002	0.7794740276920581
2003	1.348817912795895
2004	1.1588646962663467
2005	0.8220729073951065
2006	0.7441270748723576
2007	0.7768237465146054
2008	0.627312199045857
2009	0.6170763949966429
2010	0.5087199120449074
2011	0.5395319382753871
2012	0.5070864489126606
2013	0.5265923332319842
2014	0.7802778424136284
2015	0.786298941482385
2016	0.7918756353991533
2017	0.7212459703951637
2018	0.7031382990790722
2019	0.6167394469486444
2020	0.6968211581787404