CrossRef Indicators
Updated March 12, 2012
Total no. participating publishers & societies 3806
% of non-profit publishers 57%
Total no. participating libraries 1,835
No. journals covered 27,763
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