Year	% of total merchandise imports
1975	7.430340557275531
1976	7.216494845360824
1977	9.365558912386707
1978	9.732360097323602
1979	3.571263286179277
1980	4.2449672452541485
1981	2.7436429117101384
1982	6.402274166885545
1983	7.059804308718354
1984	4.6594733853207195
1985	2.260568551347949
1986	2.5718202407915127
1987	2.1355804639410803
1988	2.946922017129946
1989	3.9189147858085387
1990	5.139874495993128
1991	5.04347173200312
1992	3.3187541442784942
1993	5.481066926616075
1994	6.536260726250871
1995	6.4017614238357226
1996	7.267841614132421
1997	6.962226715312146
1998	9.111367932304512
1999	8.541822953401832
2000	0
2001	0
2002	0
2003	0
2004	0
2005	0
2006	0
2007	0
2008	0.0006604367315375812
2009	0.0004189195901676871
2010	0.000556039290627292
2011	0.0005323978675247254
2012	0.0003489197374095767
2013	0.00017727161026615513
2014	0.00015752550099789992
2015	0.00015936401982758345
2016	9.402213678460433E-05
2017	1.3872742447994121E-06
2018	0
2019	1.3964512674617244E-05
2020	6.552550623373628E-06