Green OA DOIs	Repository domain
322	zenodo.org
316	www.ncbi.nlm.nih.gov
58	deepblue.lib.umich.edu
45	figshare.com
26	hal.archives-ouvertes.fr
24	espace.library.uq.edu.au
24	escholarship.org
24	dml.cz
23	dspace.mit.edu
18	centaur.reading.ac.uk