CrossRef Indicators
Updated November 28, 2011)
Total no. participating publishers & societies 3672
% of non-profit publishers 57%
Total no. participating libraries 1,790
No. journals covered 26,137
No. DOIs registered to date 50,537,562
No. DOIs deposited in previous month 593,053
No. DOIs retrieved (matched references) in previous month 18,204,100
DOI resolutions (end-user clicks) in previous month 55,687,078