Year	% of total merchandise imports
1981	0.3953089998682192
1982	0
1983	0
1984	1.0155520925530335E-08
1985	-1.8609766018569004E-08
1986	1.8612356982332254
1987	0.29375536100426963
1988	0.6169448215246843
1989	0.7854147127993368
1990	0.9576093288706875
1991	0.06470645800459746
1992	0.024336778336555558
1993	0.055205435470634834
1994	0.061882093403245214
1995	0.19668413016512534
1996	0.15413055268999165
1997	0.028086688353137237
1998	0.05155199910710493
1999	1.1528017687370715
2000	1.190659780023198
2001	1.8668174723682822
2002	1.2584779685920044
2003	1.2693170902528281
2004	1.5860462963461723
2005	2.4411517697070586
2006	2.7606365847222514
2007	1.5093889102119527
2008	2.096927499597568
2009	2.4395411570062775
2010	1.7209279543785312
2011	0.17250096918838848
2012	0.9711281400037252
2013	1.495555555137598
2014	1.0798782083693976
2015	1.7607501570373778
2016	1.9029021213114485
2017	1.0462729240943052
2018	1.3103483495645865
2019	1.1927806001470873
2020	0.9891842404587194