Total Number of Audio and Video Materials (Physical Units) in Wisconsin Public Libraries, 1990-2013

Instructions

All statistics from the Wisconsin Public Library Service Data.

Related posts.
Wisconsin public library circulation, 1990-2013.  (7/10/2014)
Wisconsin public library revenues, 1990-2013.  (7/11/2014)
Programs and program attendance, 1990-2013.  (7/12/2014)
Books and Serial Volumes (Print), 1990-2013.  (7/22/2014)