Year	% of total merchandise imports
1981	0.0011818828545876645
1983	0.00045793319302651626
1985	0.014906636892412135
1987	0.09313181481802842
1988	0.0020588869191819287
1989	0.24552036279862133
1990	0.17263649465528197
1991	2.480006623113254
1992	1.7061403410916043
1993	0.8796417919227177
1994	0.6075767220586021
1995	1.407171516462174
1996	4.509382184973671
1997	9.034381858083394
1998	10.742936867806069
1999	12.641952732019632
2000	5.706242228051705
2001	7.726466480760022
2002	5.77910370126766
2003	2.6417619415460827
2004	2.3290473269726673
2005	2.826831287829052
2006	2.3102064037992087
2007	3.7015667261222
2008	4.251777171480989
2009	4.843051401383735
2010	4.981412779477798
2011	7.118353519754487
2012	7.109644741877527
2013	7.089611989004513
2014	6.463589613460018
2015	5.071881503272968
2016	3.4573862527209287
2017	3.1033740799603318
2018	2.2825953775346908
2019	2.004910293168792
2020	1.903785197987554