Year	% of total merchandise imports
1964	0.3261191817373258
1965	0.25630072618539085
1966	1.053921568627451
1967	0.32174364296834457
1968	0.6622516556291391
1972	0.3704847175054029
1973	0.2862905849437179
1974	0.5146692060037183
1975	0.36855401991380593
1996	1.083590933888456
1997	0.032665620854943365
2000	0.0005716392039994285
2001	0.03587962172905175
2002	0.03731104072503391
2003	0.031729397605115145
2004	0.03162826793783049
2005	0.02184491142417843
2006	0.020607596983646077
2007	0.016914997809433424
2008	0.032250819857517654
2009	0.04045257861577558
2010	0.0033322178970569116
2011	0.023358361051293502
2012	0.024393969348452154
2013	0.02565635123506556
2014	0.025002825858886364
2015	0.030477816462299884
2016	0.028934159896836616
2017	0.043125937841348924
2018	0.028314427677479177
2019	0.03929745181896173
2020	0.02970297893942473