Wrong traffic speed reported on Netflows from Nexus 7010

Wrong traffic speed reported on Netflows from Nexus 7010

Tried NetFlow v5 and v9 and in both cases when I show the vlan interface stat on the switch, it would tell me say:
"input rate 87.95 Mbps, 7.96 Kpps; output rate 3.32 Mbps, 4.22 Kpps" for 5 min, but the Analyzer say "In Avg 312.4 Kbps, Out Avg 8.22Kbps" for the same 5 min.
No sampling configured on the Nexus.
Any ideas?
Thanks! 
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