text: Where did you get the numbers for 51% and 60%.    
  
  This is the closest I could come.  
  
  http://www.pewforum.org/2013/04/30/the-worlds-muslims-2013-2/
  
  I don't trust the bias likely to follow a site call jihadwatch.org.   (which had those titles in the headline, but referenced Pew)