| Value | Category | Cases | |
|---|---|---|---|
| 1 | Public network | 2632 |
31.9%
|
| 2 | Porous Cesspit | 501 |
6.1%
|
| 3 | Tight Cesspit | 12 |
0.1%
|
| 4 | None | 2 |
0%
|
| Sysmiss | 5097 |