The following chart of appears in the January/February 2016 HathiTrust Update On Activities that was released today.
HT currently has a total membership of 113 institutions.
Most Accessed Volumes in HathiTrust Database (January/February 2016)
Most Accessed Volumes
See Also: HathiTrust Statistics and Visualizations
See Also: Video: How the HathiTrust Copyright Review Program Works & HathiTrust Announces Three New Hires