| Value | Category | Cases | |
|---|---|---|---|
| 1 | Public network | 5640 |
56.8%
|
| 2 | Porous Cesspit | 3175 |
32%
|
| 3 | Tight cesspit | 1080 |
10.9%
|
| 4 | None | 26 |
0.3%
|
| 5 | Other specify | 3 |
0%
|
| Sysmiss | 2 |