CrossRef Indicators
Updated April 12, 2010
Total no. participating publishers & societies 3030
% of non-profit publishers 57%
Total no. participating libraries 1,575
No. journals covered 21,659
No. DOIs registered to date 40,834,432
No. DOIs deposited in previous month 323,717
No. DOIs retrieved (matched references) in previous month 14,107,745
DOI resolutions (end-user clicks) in previous month 46,473,635