CrossRef Indicators
Updated October 26, 2009
Total no. participating publishers & societies 2,897
% of non-profit publishers 57%
Total no. participating libraries 1,519
No. journals covered 20,858
No. DOIs registered to date 38,546,291
No. DOIs deposited in previous month 376,455
No. DOIs retrieved (matched references) in previous month 24,891,320
DOI resolutions (end-user clicks) in previous month 30,872,873