Hi,
Thank you for contacting the Mobile Ads SDK Support team.
Please note that our support channel can only best assist you with regards to Google Mobile Ads SDK implementation and technical issues.
You may check Advanced techniques to optimize in-app revenue with Google AdMob guide, optimization tips, Impressions and Match rate that can help you regarding revenue optimization.
Kindly provide the app ID via the reply to author option, so that we will review your account and let you know why Admob is displaying all metrics as 0.
Mobile Ads SDK Team |