Year	% of total merchandise imports
1969	30.76923076923077
1970	26.666666666666668
1973	27.55102040816326
1974	23.333333333333332
1975	18.095238095238095
1976	11.76470588235294
1977	6.504065040650407
1984	4.768546362753071
1985	0.12418943831136742
1986	0.2206689798046562
1987	0.19370551255618149
1988	0.2687835551216317
1989	0.0375430355936883
1990	0.20971170886153762
1991	0.9844461435733216
1992	4.575432179672401
1993	8.062134922737341
1994	3.2411613993879187
1995	4.701313074862357
1996	5.451889606914715
1997	9.009751135625779
1998	5.073533528563631
1999	4.370360731577887
2000	13.486674309189164
2001	19.41702403002153
2002	15.606378038255592
2003	14.110102540025702
2004	18.1824043977445
2005	21.40180700497405
2006	21.712880082029677
2007	21.489707548790225
2008	28.291993744609268
2009	19.21553200367299
2010	22.820746983396386
2011	14.700737013657855
2012	24.814814542172527
2013	28.25388441732482
2014	24.571485059725642
2015	23.629723660653337
2016	18.352941189885822
2017	23.50613892993344
2018	25.268123153898614
2019	26.54803316572587
2020	6.346079215728366