Depending on what report you are running, you may need to make this channel your primary channel since reports like the top 10 will only collect stats for the primary channel. If you use other report templates like the graph or graph and table reports, you should only need to select that channel to have it shown.
Disclaimer: The information in the Paessler Knowledge Base comes without warranty of any kind. Use at your own risk. Before applying any instructions please exercise proper system administrator housekeeping. You must make sure that a proper backup of all your data is available.