Data from Kantar Worldpanel shows Amazon raked in £1 of every £4 spent in the run up to Christmas on entertainment, beating all competitors. It was also boosted by what Kantar described as a "record" year for online shopping in the sector, where 39% of all transactions were online. Tesco followed in second place with 14.6% of the share. HMV followed with 13.9%. Game Group saw the biggest sales increase over the year, 1.4% higher than the previous year. Meanwhile, sales at Asda plummeted 3.4%.