Evaluating the pub smoking ban

Thanks to tutor2u
https://www.tutor2u.net/economics/blog/evaluating-the-pub-smoking-ban?utm_medium=email&utm_campaign=Economics%20daily%20digest%20Sun%201st%20October%202017&utm_content=Economics%20daily%20digest%20Sun%201st%20October%202017+CID_c492bf85b56b9657647d03a5d82c8f31&utm_source=CampMonitor&utm_term=Evaluating%20the%20pub%20smoking%20ban%20While%20browsing%20the%20BBC%20website%20I%20have%20come%20across%20this%20set%20of%2010%20charts%20that%20show%20the%20effect%20of%20the%20ban%20smoking%20in%20all%20enclosed%20public%20places%20and%20work%20places%20since