Year	% of total merchandise imports
1981	0.5867792965201307
1982	0.06243469310234285
1983	0.29281125179001527
1984	1.4892810754652839
1985	2.0446584642551042
1986	1.0759366121495533
1987	1.010886748238817
1988	1.1665289775004497
1989	1.1080607517288388
1990	0.4016478343792187
1991	1.6455718706140476
1992	1.1200781009428746
1993	1.2907300999677174
1994	1.2125083505991734
1995	1.807309746770755
1996	1.0010605870593536
1997	0.7162106027179033
1998	0.5820627931376365
1999	0.7018626803773449
2000	1.019209670640596
2001	1.5190163158384165
2002	1.9221648392711053
2003	1.7444785675775152
2004	1.2525921132518958
2005	1.0632335035639402
2006	2.167565000297404
2007	1.4887947482974502
2008	8.117292528543572
2009	6.984624009603101
2010	6.640568207070957
2011	5.562952739271563
2012	4.527172714791614
2013	4.348594892596771
2014	4.119940233032251
2015	4.209247861146243
2016	2.6081251138187826
2017	2.9748412665606563
2018	2.952075334702162
2019	3.1446513301830197
2020	2.4844594163522853