1. Go to Data Management > Query
  2. Choose to create a new query
  3. Name the query and create it
  4. Choose the Field Type to be Transaction Information
  5. Choose the Field to be Lifetime amount
  6. Add a field clause and make it = 0
  7. Now save your query and run it. 
This will show a list of everyone in your database, with 0 dollars in transactions.