Year	% of total merchandise imports
1971	0.023844023403826048
1972	0.023907393554258215
1973	0.019558535903883765
1991	0.1620075348082745
1992	0.1719101289360026
1993	0.09811857401046024
1994	0.2221804147627466
1995	0.77752976933883
1996	0.031709614179158616
1997	1.3641057418058966
1998	0.06783789373343214
1999	0.8831599242281398
2000	0.5590235220929364
2001	1.8736148994858985
2002	0.6465230351606314
2003	1.5092471868366129
2004	2.049473499817923
2005	0.41493643087072507
2006	0.2174312596074336
2007	0.8473163375824665
2008	0.4822303526608394
2009	0.27884706763756084
2010	1.346638442339599
2011	1.5735347571049503
2012	0.6051338257429506
2013	0.570945414867027
2014	0.5404509973034783
2015	0.449208437077333
2016	1.754247422516197
2017	1.2543488076055425
2018	0.5665950315971842
2019	0.6300410700215132
2020	0.9356560033341441