CrossRef Indicators
Updated March 19, 2012
Total no. participating publishers & societies 3824
% of non-profit publishers 57%
Total no. participating libraries 1,839
No. journals covered 27,341
No. DOIs registered to date 52,883,768
No. DOIs deposited in previous month 503,982
No. DOIs retrieved (matched references) in previous month 21,393,181
DOI resolutions (end-user clicks) in previous month 58,167,528