| Value | Category | Cases | |
|---|---|---|---|
| 1 | No waste visible | 1297 |
41.9%
|
| 2 | Waste visible, protected area | 1146 |
37%
|
| 3 | Waste visible, unprotected area | 587 |
19%
|
| 4 | Not inspected | 64 |
2.1%
|
| Sysmiss | 4 |