| -100 - -90 % decreased density |
| -90 - -80 % decreased density |
| -80 - -70 % decreased density |
| -70 - -60 % decreased density |
| -60 - -50 % decreased density |
| -50 - -40 % decreased density |
| -40 - -30 % decreased density |
| Unchanged areas |
| 30 - 40 % increased density |
| 40 - 50 % increased density |
| 50 - 60 % increased density |
| 60 - 70 % increased density |
| 70 - 80 % increased density |
| 80 - 90 % increased density |
| 90 - 100 % increased density |
| Unclassifiable in any of parent status layers |
| Outside area |