5.1 no stats for pppoe-DSL / etherX ?

Router 493ah , Firmware 2.29 , combined packages 5.1

Is it normal, that my pppoe Interface does not show any Overall/RX/TX stats there ?

Edit : the same on the LAN and other Interfaces.
traffic.jpg

from user - ditonet:

http://wiki.mikrotik.com/wiki/Manual:Interface/Ethernet#Stats >
Interface stats are available only for few RB models.

source: http://forum.mikrotik.com/t/no-overall-rx-and-tx-stats-for-interfaces/57673/3