"Figure 5: UK total exports chained volume measure and implied deflator, three-month on three-month, June 2016 to June 2018","" "","" "","" "Notes","1. Implied deflator (IDEF): An implied deflator is a series that shows the implied change in average prices for a variable by dividing the current price series by the real or volume series. 2. Chained volume measure (CVM): A time series with the effect of inflation removed; they are weighted and chained volume series that hold prices from previous periods constant. In line with National Accounts practice, the last base year and reference year for the chained volume estimates have moved forward one year from 2015 to 2016." "Unit","£ billion, chained volume measures, seasonally adjusted" "","" "","Chained volume measure","Implied deflator" "2016 Jun","139.6","97.5" "2016 Sep","135.1","102.5" "2016 Dec","144","104.8" "2017 Mar","145.2","104.8" "2017 Jun","146","104.6" "2017 Sep","147.2","105" "2017 Dec","148.6","105.3" "2018 Mar","148.7","105.2" "2018 Jun","143.3","107"