CrossRef Indicators
Updated January 18, 2011
Total no. participating publishers & societies 3286
% of non-profit publishers 57%
Total no. participating libraries 1,653
No. journals covered 23,379
No. DOIs registered to date 45,146,806
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