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Members of the Jira-admins group can view SITC statistics:
Click on Apps on the navigation bar.
Click on Manage your apps.
Find a Smart Issue Templates item in the left sidebar and click it
Select the Statistics item in the left sidebar
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By default, the general statistic is shown. It can also be shown per user or a few users. To do it, click the User selector, chose user(s), and click the Show data by selected owners button
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