No.1s
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This Week's Chart By Numbers (22nd February 2015)

11. No.1s
There are currently 5 former No.1s in the top 40. Sam Smith's 'Stay With Me', Clean Bandit & Jess Glynne's 'Real Love', Meghan Trainor's 'All About That Bass', Ed Sheeran's 'Thinking Out Loud' and Mark Ronson & Bruno Mars' 'Uptown Funk'.