Year	% of total merchandise imports
1964	0.1855287569573284
1972	0.11087903870452026
1976	0.15996710716511303
1977	0.13940745236179092
1978	0.0008287201246395067
1980	0.5008078473312289
1981	0.005080734830586805
1984	0.0023415273783088707
1985	0.0004184398053418026
1987	0.6341917403907675
1988	0.22865615837058118
1989	0.15780869740079823
1994	0.004437573987700513
1996	11.763533426674007
1997	12.49061581091175
1999	0.03997913090180853
2000	0.37183944869468927
2001	0.14175042374558666
2002	0.16865336789152807
2003	0.09241950120321699
2004	0.46677793048870136
2005	1.438504993482358
2006	0.40871485693544046
2007	0.47991099474451165
2008	1.343667970915505
2009	2.264716852050061
2010	0.6526659349983625
2011	3.3725948764498823
2012	3.6938987317462035
2013	4.332754907282592
2014	4.1176032848455595
2015	4.551985993177153
2016	6.890950671087424
2017	7.618393492312925
2018	8.132470349977355
2019	9.416236694126837
2020	7.588993862902107