From PhilPapers forum PhilPapers Surveys:

2009-12-17
Eye-openers in the Survey results?
Reply to David Bourget
Hi David, a lot has been published on various weblogs on this.  I will try to look for something more comprehensive, but here are the stats for the top-20 departments in 2009 Leiter Report:

https://wikis.mit.edu/confluence/pages/viewpage.action?pageId=42243226