"Institutional Repository Universiteit Antwerpen",60990,
        "Unknown Repository",32638,
        "ZENODO",23783,
        "Archivio istituzionale della ricerca - Fondazione Edmund Mach",2543,
        "Kent Academic Repository",936,
        "Open Repository and Bibliography - University of Liège",869,
        "University of Groningen Digital Archive",665,
        "UWE Research Repository",593,
        "Greenwich Academic Literature Archive",526,
        "White Rose Research Online",515,
        "Research at ASB",491,
        "Cadmus, EUI Research Repository",299,
        "Repository CWI Amsterdam",295,
        "Arbor: Ciencia, Pensamiento y Cultura",289,
        "Radboud Repository",179,
        "DESY Publication Database",152,
        "OceanRep",121,
        "ResearchSPace - Bath Spa University",120,
        "Metis Radboud University",111,
        "Open University of the Netherlands Research Portal",110,
        "Al-Qantara : Revista de Estudios Arabes",105,
        "Oxford Brookes University: RADAR",85,
        "Trabajos de Prehistoria",84,
        "University of Salford Institutional repository",77,
        "Archivio Istituzionale",74,
        "Zurich Open Repository and Archive",68,
        "Adnan Menderes University",61,
        "Sussex Research Online",57,
        "PUblication MAnagement",53,
        "Enlighten",52,
        "University of Gloucestershire Research Repository",52,
        "Central Archive at the University of Reading",51,
        "ACM Digital Library",50,
        "HBO Kennisbank",41,
        "Sheffield Hallam University Research Archive",40,
        "Utrecht University Repository",40,
        "Web-based Archive of RIVM Publications",39,
        "Anales Cervantinos",38,
        "Leiden University Repository",38,
        "Nottingham ePrints",32,
        "Dadun: Depósito Académico Digital de la Universidad de Navarra",31,
        "Oxford University Research Archive",31,
        "Kingston University Research Repository",30,
        "Universiteit van Amsterdam Digital Academic Repository",28,
        "OpenAIRE",27,
        "University of Limerick Institutional Repository",27,
        "Warwick Research Archives Portal Repository",27,
        "Online Research @ Cardiff",25,
        "Middlesex University Research Repository",23,
        "Fraunhofer-ePrints",22,
        "Glyndŵr University Research Online",22,
        "Publications at Bielefeld University",22,
        "Archivio Istituzionale Università di Bergamo",20,
        "Research Art Design Architecture Repository",19,
        "Wageningen Yield",19,
        "NECTAR",18,
        "Depósito de la Universidad de Murcia",17,
        "Online Research Database In Technology",17,
        "Northumbria Research Link",16,
        "Central Lancashire Online Knowledge",14,
        "UM Publications",14,
        "Digital.CSIC",13,
        "Tilburg University Repository",13,
        "University of Worcester Research and Publications",13,
        "DSpace at VU",12,
        "edocUR",12,
        "Repository TU/e",11,
        "University of Huddersfield Repository",11,
        "TU Delft Repository",9,
        "RiuNet",8,
        "Universiteit voor Humanistiek",8,
        "BG Research Online",7,
        "BMC Genomics",7,
        "Falmouth University Research Repository (FURR)",7,
        "Frontiers in Human Neuroscience",7,
        "International Journal of Contemporary Economics and Administrative Sciences",7,
        "Repositori Institucional de la Universitat Jaume I",7,
        "DSpace at Open Universiteit Nederland",6,
        "Frontiers in Integrative Neuroscience",6,
        "Plymouth Marine Science Electronic Archive (PlyMEA)",6,
        "RIUVic",6,
        "Canterbury Research and Theses Environment",5,
        "International Journal of Integrated Care",5,
        "KNAW Repository",5,
        "London Met Repository",5,
        "Norsk Epidemiologi",5,
        "UWL Repository",5,
        "Universiteit Twente Repository",5,
        "ESC Publications - Cambridge Univesity",4,
        "Eurosurveillance",4,
        "Malaria Journal",4,
        "Nottingham Trent Institutional Repository (IRep)",4,
        "Optics Express",4,
        "PLoS ONE",4,
        "Theological University Kampen",4,
        "Apollo",3,
        "Archivio Istituzionale della Ricerca - Università degli Studi di Cassino",3,
        "Dokumentenrepositorium der RUB / RUB-Repository",3,
        "Frontiers in Microbiology",3,
        "Frontiers in Neural Circuits",3