| Value | Category | Cases | |
|---|---|---|---|
| 1 | No waste visible | 238 |
43.5%
|
| 2 | Waste visible, protected area | 198 |
36.2%
|
| 3 | Waste visible, unprotected area | 102 |
18.6%
|
| 4 | Not inspected | 9 |
1.6%
|
| Sysmiss | 1 |