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Number of Challenges by Year, Reason, Initator & Institution (1990 - 2008)

These figures are pulled from our Challenge Database, which currently has 10,415 challenges on record.  You will notice that if you add up the numbers of challenges by reason or initiator, the total will be greater than 10,415.  This is because many challenges have multiple reasons or initiators.  Please contact nperez@ala.org if you have any questions regarding the graphs below.

Year Bar Graph

 

Reason Bar Graph

 Initiator Copy

Institution Bar Graph