Year	% of total imports
2007	1.8296516143917525
2008	1.8826265591600266
2009	2.7984860516144505
2010	2.8108059630606608
2011	2.410655826645149
2012	2.4756551911563283
2013	2.953423381925265
2014	2.8704707104718383
2015	2.804910578009963
2016	3.293331709323376
2017	2.8924317255207104
2018	1.991407262346912
2019	1.9998945694997217
2020	1.3029302368511826