| Value | Category | Cases | |
|---|---|---|---|
| 1 | No waste visible | 1447 |
46.8%
|
| 2 | Waste visible, protected area | 1184 |
38.3%
|
| 3 | Waste visible, unprotected area | 362 |
11.7%
|
| 4 | Not inspected | 101 |
3.3%
|
| Sysmiss | 4 |