Higher Education Institutions (HEI) providing data from their institutional reference system(s) (e.g., institutional repositories) are swissuniversities members or close associates (e.g., Research Institutes of the ETH Domain), see also overview of participating HEI and the source systems on oamonitor.ch. Entrusted by the HEI and qualified to do so, the person in charge provides the requested data in their capacity as Open Access specialist, repository manager, part of the HEI management or application developer. The repository survey requests HEI to provide data from the previous four years based on their institutional reference system(s) on Open Access shares of publications attributed to a selected amount of resource types.