CrossRef Indicators
Updated April 24, 2012
Total no. participating publishers & societies 3869
% of non-profit publishers 57%
Total no. participating libraries 1,859
No. journals covered 27,702
No. DOIs registered to date 53,713,634
No. DOIs deposited in previous month 286,311
No. DOIs retrieved (matched references) in previous month 23,244,126
DOI resolutions (end-user clicks) in previous month 68,416,181