| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Public network | 4591 | 4750 |
60.1%
|
| 2 | Cesspit | 2422 | 2282 |
28.9%
|
| 3 | collector sewer | 835 | 822 |
10.4%
|
| 4 | non | 48 | 41 |
0.5%
|
| Sysmiss | 2 | 3 |