"Figure 4: Contributions to year-on-year growth in the quantity bought and amount spent in the four main retail sectors, seasonally adjusted","" "Great Britain, May 2018 compared with May 2017","" "","" "Notes","" "Unit","Percentage points" "","" "","Amount spent (Value)","Quantity bought (Volume)" "Total","6.5","3.9" "Petrol stations","0.7","0.0" "Non-store retailing","1.9","1.5" "Non-food stores","1.9","1.3" "Food stores","2.0","1.1"