Year	% of total merchandise imports
1970	1.9373716445849918
1981	5.312586564839112
1982	2.8971581171410277
1983	1.1805085507653847
1984	1.5095154956917198
1985	1.6408509855887445
1986	2.5444721470084786
1987	3.051842995207231
1988	2.7162339408258633
1989	9.119770617598014
1990	14.037182125569336
1991	15.324145811023435
1992	17.206776673839315
1993	14.07875986858749
1994	13.618663144566623
1995	13.361949435032008
1996	22.64472287271541
1997	12.46962146766704
1998	11.607452795561843
1999	11.107509609454244
2000	24.428422342690926
2001	21.116648649505894
2002	18.384615421782428
2003	12.383459750810548
2004	22.025384126257094
2005	18.342787656657315
2006	20.18018242080056
2007	8.01469419753396
2008	7.431079836329246
2009	5.289257290312464
2010	5.11277051465476
2011	4.761861362098739
2012	4.834450496288705
2013	3.7060593339671004
2014	3.8269566951262592
2015	8.183567976684133
2016	3.1839878652528486
2017	4.230530273757459
2018	5.525729979052412
2019	5.602687558146262
2020	5.939907342230133