| Value | Category | Cases | |
|---|---|---|---|
| 1 | No waste visible | 154 |
38.6%
|
| 2 | Waste visible, protected area | 202 |
50.6%
|
| 3 | Waste visible, unprotected area | 40 |
10%
|
| 4 | Not inspected | 3 |
0.8%
|
| Sysmiss | 2 |