| Value | Category | Cases | |
|---|---|---|---|
| 1 | No waste visible | 103 |
40.7%
|
| 2 | Waste visible, protected area | 99 |
39.1%
|
| 3 | Waste visible, unprotected area | 45 |
17.8%
|
| 4 | Not inspected | 6 |
2.4%
|
| Sysmiss | 3 |