The Milage report shows all mileage registrations with filter, grouping and sort options. And it can be printed and exported to pdf and excel.
Depending on access role you will see your own registrations, department or all.

If you need to group your data on a weekly basis by employee or activity, you can use the “Group data” filter and check the box for example, employees, if you want a report over the total from the given period.
Example below:
