| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Public network | 4154 | 4138 |
60.2%
|
| 2 | Cesspit | 2177 | 2191 |
31.9%
|
| 3 | collector sewer | 483 | 483 |
7%
|
| 4 | non | 51 | 51 |
0.7%
|
| Sysmiss | 6 | 7 |