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Different colors (hard to see because they fall on top of each other) show the individual contributions to the composite (bright cyan). The black dashed curve is the Zürich SSN/12 (to convert it to number of groups).
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.