December 31, 2012 Dramatic Growth of Open Access - by Heather Morrison"Directory of Open Access Journals - articles searchable by article level grew by 234,449 articles to a total of 955,720 articles, an increase of 33% on a substantial base. The Registry of Open Access Repositories showed a growth rate of 730 repositories or 28%, a somewhat puzzling contradiction to the relatively slow growth rate of OpenDOAR. The number of journals depositing all articles in PubMedCentral as open access grew by 191 to a total of 893, a 27% increase this year, and the number of paper downloads from the Social Sciences Research Network was more than 2 million higher this year than in 2011 (10 million downloads total), for a 27% increase."