Year	% of total merchandise imports
1977	29.965240321227377
1981	3.716793980161897
1982	1.7737583691416008
1983	29.96524032722711
1984	8.904590588616665
1985	29.965240319708307
1986	29.965240319719268
1987	7.188303705281005
1988	4.115343258267253
1989	5.430315740722675
1990	2.87003414863536
1991	1.0993197726364463
1992	2.0208557037139236
1993	2.619452533954277
1994	1.8613632784169312
1995	2.926500360654402
1996	5.8061418160042395
1997	5.164096450885229
1998	1.4755675527978886
1999	1.0741221966638972
2000	4.8008920887412145
2001	3.8292106739724066
2002	4.05019028929211
2003	2.058903351450565
2004	6.1862748058880435
2005	5.377369698254545
2006	11.625335353892144
2007	16.920131457251575
2008	27.183731833874454
2009	29.48320151032248
2010	27.972424714560766
2011	21.71732592587631
2012	29.17903938363538
2013	21.139774470337613
2014	23.00799198636197
2015	25.67280904763416
2016	20.594340758250414
2017	31.47518039254722
2018	26.83795068792451
2019	20.758404338340352
2020	31.537598343282617