CrossRef Indicators
Updated January 04, 2011
Total no. participating publishers & societies 3277
% of non-profit publishers 57%
Total no. participating libraries 1,650
No. journals covered 23,356
No. DOIs registered to date 44,968,952
No. DOIs deposited in previous month 350,829
No. DOIs retrieved (matched references) in previous month 13,214,339
DOI resolutions (end-user clicks) in previous month n/a