Year	% of total imports
2005	4.23049235321175
2006	3.76858396403373
2007	3.81885862063392
2008	3.4988619187039207
2009	4.703642117637277
2010	4.183576319353618
2011	3.6840094841629076
2012	4.0721406286720425
2013	4.33178758850089
2014	4.836054252251036
2015	5.561466574209644
2016	5.8822490234239835
2017	5.619302870326078
2018	5.724988369552065
2019	5.7993436106756695