CrossRef Indicators
Updated February 22, 2010
Total no. participating publishers & societies 2,980
% of non-profit publishers 57%
Total no. participating libraries 1,557
No. journals covered 21,341
No. DOIs registered to date 40,249,390
No. DOIs deposited in previous month 335,288
No. DOIs retrieved (matched references) in previous month 14,584,200
DOI resolutions (end-user clicks) in previous month 39,755,303