Ed Sheeran racks up his 10th week at No.1 on the radio airplay chart this year with Perfect – the fourth single from his blockbusting third album ÷  – increasing its lead at the top, even though its audience is slightly down.

Still showing healthy growth on plays – which are up for the 10th week in a row, jumping 9.89% from 5,776 to 6,347 – Perfect nevertheless suffers a 1.19% diminution in audience, from 75.08 million to 74.19m. Up ...