Figures on this page come from vendor dashboards that are not COUNTER compliant. Vendors report different measures such as page views, sessions, searches, documents accessed, unique logins, and interactions. Each chart shows the vendor metric used. Totals are simple sums of the reported measures. Vendor metrics on this page are not directly comparable to COUNTER metrics. For context on standards, see projectcounter.org. Notes about subscription changes appear in the data where relevant.

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