Do you have to be a favourite to win?

• 91% of time the winner has had odds of 10/1 or less at suspension of bets
• Biggest drop in odds was Herta Müller in 2009 - opened at 50/1, closed at 3/1
• Biggest drops for someone who didn't win was Svetlana Alexievich - dropped 50/1 to 4/5 in 2013 (but did go on to win in 2015)
• Biggest surprise was Doris Lessing in 2007, who won despite opening and closing at 50/1

Source: Ladbrokes