To access the Internet usage report, select the command Reports → Internet reports in the Main menu of the System:

Access command to the Internet usage report

A display will open:

Internet usage report page

To select the reporting period, use the built-in calendar in the Period filed, then click on the Apply button:

Selecting the report period

You can enlarge a particular graph for more convenient viewing by clicking on the button

to the right of its name. You can return the graph to its initial size by clicking the button

.