title: How to get count of number of records group by and grand total count in report
body: <p>I am trying to get count of records for each group by and then final total count at the end.</p>
  
  <p>For example, I have a report which is group by User for each Shipments. I want to get count of shipments for each user.</p>
  
  <p>Any suggestions?</p>