CrossRef Indicators
Updated April 04, 2011
Total no. participating publishers & societies 3390
% of non-profit publishers 57%
Total no. participating libraries 1,697
No. journals covered 23,971
No. DOIs registered to date 46,087,800
No. DOIs deposited in previous month 385,375
No. DOIs retrieved (matched references) in previous month 18,914,426
DOI resolutions (end-user clicks) in previous month n/a