Year	% of total merchandise imports
1970	0
1971	0
1972	2.38800660157815E-15
1973	0.40650406504065045
1974	0
1975	2.31023102310231
1976	7.180851063829788
1977	5.077262693156733
1978	3.502626970227671
1979	10.15531660692951
1980	0.41067761806981523
1981	3.7593984962406015
1982	1.440329218106996
1983	3.329369797859691
1984	3.82830626450116
1985	4.246284501061571
1986	4.726410266311782
1987	1.2658227848101267
1988	1.1559675819341664
1989	5.332759896677433
1990	0.8441362853180421
1991	1.2175057682106245
1992	5.745987650503691
1993	5.681910180097096
1994	5.744150369600898
1995	0.9958649523779506
1996	0.8677287681017049
1997	0.03552593001166119
1998	0.04465171672879123
1999	0.012952248611795909
2000	0.40556328623037546
2001	0.6427700478257409
2002	0.4504107026559891
2003	0.2929945901168541
2004	0.264999687281293
2005	0.6785259872234521
2006	0.49325731027164604
2007	0.25364606277644164
2008	0.26687742799820563
2009	0.2068399082291207
2010	0.2576061434105139
2011	0.3050979185140766
2012	0.4490362202418419
2013	0.5122135325994797
2014	0.7198148454455875
2015	0.7617737724984721
2016	31.11341027996562
2017	1.3717214730163882
2018	0.2615903783367875
2019	7.731696372257072
2020	8.647209661095948