Year	% of total merchandise imports
1970	0.5587816369015011
1971	0.2358490566037736
1972	0.4922519977042956
1973	0.7576429674053834
1974	0.6513954062731537
1981	0.11439029970258523
1983	0.6513954063692333
1984	0.21252796353485182
1985	0.167291990900652
1986	0.34090566943657125
1987	0.30087647061714057
1988	0.14437638512694373
1989	0.050665863905981406
1990	0.05047925066076417
1991	0.053483328442601265
1998	5.043482303276087E-05
1999	0.006895552130190055
2000	0.006334299481071314
2001	0.03316014555756633
2002	0.29930102212307697
2003	0.08412422198568338
2004	0.3665805866107445
2005	0.32431176648852406
2006	0.21009530702621454
2007	0.023543609187980426
2008	0.5565106575530269
2009	0.05094988536076936
2010	0.009077605153068501
2011	0.015800507009437526
2012	0.013286082168389961
2013	0.011468191194529668
2014	0.03733895609669784
2015	0.0239747073871224
2016	0.012320194970343671
2017	0.015848663167779577
2018	0.01609632053576188
2019	0.01898778827656678
2020	0.01008494214732084