Year	% of total merchandise imports
1963	3.920061491160646
1964	2.4629324546952223
1965	4.214535848129262
1966	3.2223903177004543
1967	2.7877913962989664
1968	1.831583649765468
1969	3.059609636011957
1970	1.5656343265326091
1971	0.953532097770615
1972	0.5337292828765199
1973	0.7518078430123284
1974	2.809291063181023
1975	1.4936583533910313
1976	0.5853079609974511
1977	0.30166301405182416
1978	0.4152312059890282
1979	0.9801118085243277
1980	0.6678096562638627
1981	0.5283428271091097
1982	0.2682017751235197
1983	0.613112956959816
1984	0.22131244253861346
1985	0.10065334435194088
1986	0.03344251446828672
1987	0.49135434295404684
1988	0.00654411997249923
1989	0.07050397714464572
1990	0.5888494192128455
1991	2.1299889957153555
1992	3.5510039716794948
1993	1.1056203146273136
1994	5.193106348234154
1995	3.253087133220424
1996	4.481252550764111
1997	6.232775190423685
1998	5.55872813173695
1999	4.462942110928338
2000	1.7774444821889588
2001	2.080884445537952
2002	2.418258191637013
2003	3.5859867056496477
2004	1.8914403138642437
2005	6.20579420921613
2006	1.5863729259504455
2007	2.498827931028016
2008	2.838232501773202
2009	5.863479397183403
2010	8.102180687528218
2011	3.6561103966405635
2012	4.751669893879516
2013	6.507933884799985
2014	8.37012036102434
2015	6.625403155271687
2016	5.5116746229838345
2017	4.6673903069012415
2018	7.0019195871846645
2019	13.610008245479243
2020	6.487248667192619