CrossRef Indicators
Updated June 01, 2009
Total no. participating publishers & societies 2,794
% of non-profit publishers 57%
Total no. participating libraries 1,489
No. journals covered 20,121
No. DOIs registered to date 36,953,337
No. DOIs deposited in previous month 380,287
No. DOIs retrieved (matched references) in previous month 12,945,467
DOI resolutions (end-user clicks) in previous month n/a