Try Format --> Cell Size --> Wider
If it were only so easy.. Has no effect on anything I can see
This is an option, yet it does not allow for the stoplight appearance with spacing in between.
Recreate your View with a Placeholder MIN(Number of Records), Set the size and Criteria to select % for Colors, Insert your measure to the Placeholder you Created and Drag your Dimension to Columns to get what you need. I think, You need to create one placeholder only.