CrossRef Indicators
Updated April 11, 2011
Total no. participating publishers & societies 3403
% of non-profit publishers 57%
Total no. participating libraries 1,703
No. journals covered 24,116
No. DOIs registered to date 46,254,389
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