To see the analytics of the issue, you need to click on the 'view arrow' in the 'Analytics' section on the right side of the issue view page.
In this section, the number of view of this issue (additionally including your view when open this issue),the number of updating of this issue and also the number of comments that made on this issue is shown.
Also there is a graph located in here that is created with those data with respect to date. This chart always shows interactions for the last month. When hovering is made on the date on this graph, the counts of views, updates and comments that are made on this date can be seen. Additionally, the avatars of around 20 people who last viewed, updated or commented on this issue are shown below the chart.
