Year	% of total imports
2007	5.65472303264093
2008	5.379394971572696
2009	6.046577793749564
2010	5.8476535630707955
2011	5.506718685180642
2012	5.441886013416121
2013	5.4586092244374935
2014	5.662191992841462
2015	6.064617798318806
2016	6.230753559680018
2017	6.124002415810453
2018	6.1685255552740506
2019	6.3925595233051915
2020	3.9069593342064253