Year	% of total merchandise imports
1970	6.442058496853018
1971	6.430868167202572
1972	5.09399636143117
1973	5.650459921156373
1974	7.570889001634816
1975	7.1610694252203695
1976	2.210720238617423
1977	2.1249108193054513
1978	4.1902246689480735
1979	2.199350257309605
1980	6.631349257284215
1981	6.733643662453023
1982	8.151742110448424
1983	2.636428913355673
1984	2.4818264425261245
1985	2.3750771128932757
1986	2.1147566474887265
1987	2.2315606433850164
1988	6.380483227773868
1989	2.657181713568365
1990	5.648535564853557
1991	6.209361627932319
1992	4.2494544619271855
1993	6.193647540983607
1994	2.7968036529680362
1995	2.617651265913317
1996	2.351069471451299
1997	1.1711134883703882
1998	1.4639275315431899
1999	1.316488516633011
2000	0.48570915504588547
2001	0.117386787737469
2002	0.33242729910257385
2003	0.7951059370560202
2004	24.523828121157543
2005	17.977040076318886
2006	20.180869306382064
2007	18.545831721239246
2008	13.856625864550468
2009	27.487248069520238
2010	31.48266392727775
2011	24.651870115650993
2012	7.076549731865758
2013	37.94577828577394
2014	37.81387357840398
2015	37.22091922585869
2016	31.551703441169355
2017	0.41657197153422015
2018	0.7697552540988627
2019	0.7660766389632567
2020	0.8792847334507059