Navigate to All Users > Specific User Email > Top Sites

In this section you will see a pie chart showing the top sites for that user.  Underneath, you will also see the the top sites listed in order by the amount of time spent on each site.  Clicking on a site will bring up the site-view, which is a list of users that have been to the site and the amount of time that each user has spent there.

Note: This data is for the past 7 days only and you can download this information by selecting the white Download CSV button in the top right of the blue bar.