CrossRef Indicators
Updated March 15, 2010
Total no. participating publishers & societies 3002
% of non-profit publishers 57%
Total no. participating libraries 1,563
No. journals covered 21,488
No. DOIs registered to date 40,527,545
No. DOIs deposited in previous month 418,850
No. DOIs retrieved (matched references) in previous month 13,019,428
DOI resolutions (end-user clicks) in previous month 38,465,007