CrossRef Indicators
Updated June 28, 2010
Total no. participating publishers & societies 3099
% of non-profit publishers 57%
Total no. participating libraries 1,593
No. journals covered 22,262
No. DOIs registered to date 41,840,631
No. DOIs deposited in previous month 382,360
No. DOIs retrieved (matched references) in previous month 18,975,956
DOI resolutions (end-user clicks) in previous month 40,362,641