CrossRef Indicators
CROSSREF INDICATORS (August 31, 2007)
Total no. participating publishers & societies 2,432
% of non-profit publishers 64%
Total no. participating libraries 1,258
No. journals covered 18,903
No. DOIs registered to date 28,533,409
No. DOIs deposited in previous month 819,054
No. DOIs retrieved (matched references) in previous month 4,468,502
DOI resolutions (end-user clicks) in previous month 13,632,997