Commission Implementing Regulation (EU) 2016/2307 of 19 December 2016 establishing the allocation coefficient to be applied to the quantities covered by the applications for import licences lodged from 1 to 7 December 2016 and determining the quantities to be added to the quantity fixed for the subperiod from 1 April to 30 June 2017 under the tariff quotas opened by Regulation (EC) No 1385/2007 in the poultrymeat sector