By Laura McGuire Retailers at Canary Wharf Group reported a record number of visitors last year, as the boss behind the operation hailed it as a “seven day week” operation. Stuart Fyfe, who heads up leasing for the three underground shopping malls, said trading was strong across all days of the week, thanks to the growing number of residents and international students now choosing to live in the area. “We are definitely operating seven days a week and have been for quite a long time, actually 10-15 years,” he told City A.M. “The residents definitely dominate the weekends and obviously the offi…