Year	% of total imports
2006	0.601094961857059
2007	0.9981541978591274
2008	6.3681489081701
2009	5.935885226517259
2010	5.064218332994646
2011	3.323521835009487
2012	5.539217272100319
2013	4.7327182339689005
2014	6.907606370442789
2015	7.577673234513907
2016	10.123742157209877
2017	12.201947817577489
2018	12.361705360927635
2019	10.092009915523384
2020	4.112378500404709