CrossRef Indicators
Updated January 19, 2010
Total no. participating publishers & societies 2,940
% of non-profit publishers 57%
Total no. participating libraries 1,537
No. journals covered 21,201
No. DOIs registered to date 39,804,269
No. DOIs deposited in previous month 457,548
No. DOIs retrieved (matched references) in previous month 12,713,307
DOI resolutions (end-user clicks) in previous month 31,463,732