CrossRef Indicators
CROSSREF INDICATORS (May 23, 2011)
Total no. participating publishers & societies 3449
% of non-profit publishers 57%
Total no. participating libraries 1,717
No. journals covered 24,244
No. DOIs registered to date 46,711,755
No. DOIs deposited in previous month 481,884
No. DOIs retrieved (matched references) in previous month 19,019,767
DOI resolutions (end-user clicks) in previous month 48,053,013