CrossRef Indicators
Updated March 29, 2010
Total no. participating publishers & societies 3015
% of non-profit publishers 57%
Total no. participating libraries 1,570
No. journals covered 21,567
No. DOIs registered to date 40,706,278
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