From: Stevan Harnad <[log in to unmask]> Date: Thu, 9 Feb 2012 01:45:48 -0500 On 2012-02-08, at 9:38 PM, Sally Morris wrote: > Can Heather (or anyone) provide a figure of (immediate) OA articles as a > percentage of all articles in each recent year? That's what we need to look > at to see whether, as Sami states, it is indeed growing at just 1% p.a. See: Poynder, Richard (2011) Open Access by Numbers, Open and Shut, 19 June 2011 http://poynder.blogspot.com/2011/06/open-access-by-numbers.html Laakso M, Welling P, Bukvova H, Nyman L, Björk B-C, et al. (2011) The Development of Open Access Journal Publishing from 1993 to 2009. PLoS ONE 6(6): e20961. doi:10.1371/journal.pone.0020961 New data forthcoming shortly from analyses by Université du Québec & University of Southampton. Stevan Harnad