Dipping into American Libraries' "The State of America's Libraries 2013" (3)

Mean salaries paid, 2010 and 2012.  (Includes public and academic libraries. Page 17)

"Mean" as in "occupying a position about midway between extremes" as opposed to "penurious, stingy".

Related posts:
State library agency funding, state aid to public libraries.  (4/16/2013)
Public libraries weather storm; school librarians under siege.  (4/16/2013)