[kictanet] Usage Reports from Safaricom for Prepaid Customers

Listers, Is anyone aware, where on the Safaricom site I can access usage on my prepaid line. Lately, my faithful KSHS 100 weekly credit gets used up mighty fast. I would like to view the history on my account to ensure that I am not being ripped off somehow. Do any of the other Telkoms have this facility? Edwin