Netflow export Cisco ASR9K to Netflow Analyzer

Netflow export Cisco ASR9K to Netflow Analyzer

I've Configured our Cisco ASR9001's to export netflows to Netflow Analyzer however i'm not seeing:

1. Any IN traffic for those interfaces in NFA. Only seeing OUT traffic
2. The OUT traffic that i'm seeing iis only a fraction of the actual interface traffic

Is there a working configuration for a Cisco ASR(k with NFA that you can share ?
Is there a specfic sampling rate required on NFA interface ? I've just used the default of 1 for now.