"Figure 4: Exports of total trade, chained volume measures and implied deflator, three-month on three-month, September 2016 to September 2018","" "","" "","" "Notes","" "Unit","£ billion, seasonally adjusted " "","" "","Chained volume measure, £ billion seasonally adjusted","Implied deflator, Index (2016=100)" "2016 Sep","135.1","102.5" "2016 Dec","144.0","104.8" "2017 Mar","143.5","105.0" "2017 Jun","145.1","104.8" "2017 Sep","149.2","104.8" "2017 Dec","150.8","105.2" "2018 Mar","149.6","105.4" "2018 Jun","146.3","107.7" "2018 Sep","150.3","108.8"