| Value | Category | Cases | |
|---|---|---|---|
| 1 | No waste visible | 759 |
30.7%
|
| 2 | Waste visible, protected area | 855 |
34.5%
|
| 3 | Waste visible, unprotected area | 691 |
27.9%
|
| 4 | Not inspected | 171 |
6.9%
|
| Sysmiss | 4 |