Year	% of total merchandise imports
1981	0.06840725116862387
1987	2.8625988206871256
1988	3.855394266894062
1989	4.069801119228742
1991	0.00805363248882682
1992	0.27722431629973227
1993	0.08252905802019496
1994	0.2635842902609838
1995	0.20194153848002383
1996	0.07296861904381076
1997	0.05288173374245571
1998	0.1535981058771448
1999	0.12570460039228107
2000	0.14319562289632967
2001	0.15793239873244255
2002	0.13451666014399732
2003	0.08212090143641541
2004	0.5020517345200708
2005	0.6417271696279528
2006	0.43811461235554444
2007	0.8636465007661976
2008	0.7848999828090321
2009	0.455278257984088
2010	0.37423198787856643
2011	0.6904680945061189
2012	0.849580440360751
2013	0.7307256680069675
2014	0.5771855043310731
2015	0.8090105811667574
2016	1.2709898720130053
2017	1.3299085821266277
2018	1.090120545794183
2019	1.017066455590502
2020	1.637757167843826