;December 2018;Change in per cent;Change in per cent;Change in per cent; November 2018 - December 2018;December 2017 - December 2018;October 2017 / December 2017 - October 2018 / December 2018; ;;;;; Retail sales - seasonally adjusted volume index;101.4;-1.8;;; Retail sales - workingday adjusted volume index;124.5;;-1.3;-0.2; Retail sales - workingday adjusted sales value index;132.3;;1.2;2.5;