The following is an example of what a COUNTER 5 Database Master Report usage report can look like:
User-added image

Here are the different types of Searches you will see when you generate a Database Master Report for ProQuest:
User-added image
The usage report will refer to "Investigations" and "Requests".  
There will also be "Total_Item" and "Unique_Item" Investigations and Requests.
 
Examples of user activity and how it would translate to usage in a COUNTER5 Database Master Report usage report:

#1: A user runs a search, views two citations and opens the PDF of an article.
- Searches_Regular is incremented by one for all the databases specifically selected.
- Searches_Automated is incremented by one for all child databases that are included but were not specifically selected.
- Total_Item_Investigations is incremented by three.
- Unique_Item_Investigations is incremented by three.
- Total_Item_Requests is incremented by one.
- Unique_Item_Requests is incremented by one.


#2: A user runs three searches, views two citations, views the full text of article A, then views the full text of article B, then goes back and views the full text of article A again.
- Searches_Regular is incremented by three for all the databases specifically selected.
- Searches_Automated is incremented by three for all child databases that are included but were not specifically selected.
- Total_Item_Investigations is incremented by five.
- Unique_Item_Investigations is incremented by four.
- Total_Item_Requests is incremented by three.
- Unique_Item_Requests is incremented by two.


#3: A user runs a search using a federated search engine and views seven different citations.
- Searches_Federated is incremented by one for all the databases involved.
- Total_Item_Investigations is incremented by seven.
- Unique_Item_Investigations is incremented by seven.
- Total_Item_Requests is not incremented.
- Unique_Item_Requests is not incremented.


#4: Using a discovery system, a user finds and views the PDF of the article they were searching for after looking through two dozen citations and viewing three other PDFs.
- Searches_Automated is incremented by one for all the databases involved.
- Total_Item_Investigations is incremented by twentyeight.
- Unique_Item_Investigations is incremented by twentyeight.
- Total_Item_Requests is incremented by four.
- Unique_Item_Requests is incremented by four.


#5: A user runs a search and views four citations, then uses a link resolver to link to the full text of one of their search results.
- Searches_Regular is incremented by one for all the databases specifically selected.
- Searches_Automated is incremented by one for all child databases that are included but were not specifically selected.
- Total_Item_Investigations is incremented by five.
- Unique_Item_Investigations is incremented by five.
- Total_Item_Requests is not incremented.
- Unique_Item_Requests is not incremented.