CrossRef Indicators
Updated October 24, 2011
Total no. participating publishers & societies 3621
% of non-profit publishers 57%
Total no. participating libraries 1,781
No. journals covered 25,659
No. DOIs registered to date 49,769,626
No. DOIs deposited in previous month 694,859
No. DOIs retrieved (matched references) in previous month 19,952,624
DOI resolutions (end-user clicks) in previous month 46,379,031