Open Access
Fig. 9

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Distribution of peak dates over time. The reference time window from around May 2016 to June 2020 is indicated as the grey-shaded region. The break of WISE data taking is indicated with grey dashed lines.
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.