Year	% of total merchandise imports
1964	0.3261191817373258
1965	0.4129289477431297
1966	1.053921568627451
1967	0.6123508043591074
1968	0.7907482455273303
1972	0.5364309972213646
1973	0.6734335350380636
1974	0.9431823334693692
1975	0.5647198692227671
1981	0.0378000378000378
1982	0.016991775980425474
1983	0.09380569713267253
1984	0.2574223442827455
1985	0.34455755672739335
1987	0.08053691275039139
1988	0.04245683554558348
1989	3.9994866406790344
1990	0.30731252918988067
1991	1.9018411471112902
1992	1.1972243866831522
1993	0.6134958522108053
1994	1.3093831115771228
1995	1.3643001359573048
1996	2.8307707013058034
1997	0.1638855948602063
1998	0.35300123263391936
1999	0.22189365005355954
2000	0.9591792444424008
2001	1.4788338147637823
2002	1.4876463038480199
2003	0.7399895705464683
2004	1.0807336767358096
2005	3.666945149919786
2006	2.0800261413930765
2007	1.117031019856764
2008	1.3743671239869983
2009	1.8058169980898149
2010	1.973863535044213
2011	1.7408416519912435
2012	1.5248316695686934
2013	5.579292447379169
2014	1.5935009222301943
2015	1.5223992393021852
2016	1.214566212079739
2017	34.97368561271212
2018	1.8844369214165269
2019	2.2763867032656155
2020	1.9941544522066035