CrossRef Indicators
Updated March 28, 2011
Total no. participating publishers & societies 3376
% of non-profit publishers 57%
Total no. participating libraries 1,696
No. journals covered 23,971
No. DOIs registered to date 45,999,206
No. DOIs deposited in previous month 317,016
No. DOIs retrieved (matched references) in previous month 13,926,099
DOI resolutions (end-user clicks) in previous month 41,927,550