CrossRef Indicators
Updated July 14, 2009
Total no. participating publishers & societies 2,809
% of non-profit publishers 57%
Total no. participating libraries 1,499
No. journals covered 20,452
No. DOIs registered to date 37,413,941
No. DOIs deposited in previous month 302,772
No. DOIs retrieved (matched references) in previous month 14,230,387
DOI resolutions (end-user clicks) in previous month 25,848,742