| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Mechanical treatment | 16 | 147 |
0.1%
|
| 2 | Chemical treatment | 4 | 28 |
0%
|
| 3 | Biological treatment | 4 | 4 |
0%
|
| Sysmiss | 3281 | 124895 |