CrossRef Indicators
Updated January 26, 2011
Total no. participating publishers & societies 3290
% of non-profit publishers 57%
Total no. participating libraries 1,654
No. journals covered 23,470
No. DOIs registered to date 45,279,432
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 34,556,854