VPSManager now has new feature which allows you to monitor the statistics (in a nice graphical format as shown below) of your virtual server like bandwidth, server load, memory by hourly, dayly, weekly, monthly and even within last 12 months. This new feature give you insights about the performance of you server by simple click of a button.

To check your server statistics just login to VPSManager, select the Virtual Machine instance and then click the "Statistics" icon.