Get the amount of real-time traffic for specific QOS in Juniper?

Hi, Is it possible to get the current amount of traffic for a specific QOS? In below example I just want to get the traffic for EF tag but seem like the volume recorded is more than the assigned configuration.

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I used the below command to check and the interface has limit of 300m

Question:

1. does the packet/bytes are the number of traffic recorded, means its not the actual volume of traffic that is passing thru and the value is incremental?
2. Is it possible to get the real-time value of the traffic that being tag as EF?

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show interfaces queue xe-5/0/0.5016 Queue: 5, Forwarding classes: EF Queued: Packets : 29954045173 141 pps Bytes : 5944710779298 212336 bps Transmitted: Packets : 29954045173 141 pps Bytes : 5944710779298 212336 bps Tail-dropped packets : Not Available RL-dropped packets : 65442 0 pps RL-dropped bytes : 15468759 0 bps RED-dropped packets : 0 0 pps RED-dropped bytes : 0 0 bps 

Thanks