How to create a usage report, combining different workspace?

I am trying to create a wide-ranging “usage report”; it should include the usage for 5 report that are in different workspaces/apps.

Is there a way of achieving this?

The only way I found so far; is a bit cumbersome.

I create a dataset by combining from each report the data from:

Specifically the ‘views by user’ dataset:

I export it, and then I combine for every report.