Year	% of total merchandise imports
1981	0.17063111651339746
1982	0.2567713580916887
1983	0.4471410506267556
1984	0.20531852065766026
1985	0.6057325999760554
1986	0.9538426819237056
1987	3.9492077290147503
1988	3.4047578163921726
1989	2.033772407639967
1990	0.8985557061126366
1991	0.6078770127192602
1992	0.6963727136334953
1993	1.2408564273907228
1994	4.625825200554534
1995	3.6184371677867215
1996	1.9858134315950022
1997	7.759907688168517
1998	6.754984194482374
1999	13.198571333020729
2000	6.94837506302534
2001	8.189350174302962
2002	6.370235198980064
2003	5.006851281014853
2004	9.237664239129225
2005	3.7481004167556247
2006	3.546543848466657
2007	4.578775791405882
2008	10.158667743677864
2009	6.984266306728292
2010	1.859140538450333
2011	2.598705982860814
2012	0.8059181028311145
2013	1.2941772649536913
2014	1.3207243776473194
2015	1.5133698310462536
2016	0.2591527553373629
2017	0.9304173976170041
2018	1.033627505933293
2019	1.6928498222871897
2020	3.972983736622593