Display Actors Count (levels tab) goes up by one every time the project is saved

The number that is displayed for "Display Actors Count" goes up by one each time the save button in used within the levels tab.

1. Open the editor
2. Open the Levels tab
   Window > Levels
3. In the levels tab open the view options
4. Set "Display Actors Count" to true
5. Click Save a few times
6. Notice that the number of actors goes up by one each time

Expected: The Number of actors would accurately reflect the number of actors in the scene
Result: The number that is displayed goes up by one each time the save button in used

Saving causes Actor count and File size to increase