<sod >The figures will be a welcome relief for retailers who suffered their steepest drop in sales in four years in the wake of the Brexit referendum vote in July.< eod>< sod > The figures for August will be a welcome relief for retailers who suffered their steepest drop in sales in four yearsÃÂÃÂ last month,ÃÂÃÂ in the wake of the Brexit vote.< eod>