Some interresting statistics from FIDE:
Anand: http://ratings.fide.com/chess_statistics.phtml?event=5000017
Win: 24%
Draw: 68%
Lose 8%
Topalov: http://ratings.fide.com/chess_statistics.phtml?event=2900084
Win: 39%
Draw: 46%
Lose: 15%
Classical Score before end of game 5:
Anand: 12 [25%]
Draws: 24 [50%]
Lose: 12 [25%]