CrossRef Indicators
Updated June 27, 2011
Total no. participating publishers & societies 3484
% of non-profit publishers 57%
Total no. participating libraries 1,743
No. journals covered 24,592
No. DOIs registered to date 47,320,664
No. DOIs deposited in previous month 340,362
No. DOIs retrieved (matched references) in previous month 19,019,767
DOI resolutions (end-user clicks) in previous month 45,571,399