| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Public network | 4722 | 407825 |
55.4%
|
| 2 | Porous Cesspit | 2518 | 230302 |
31.3%
|
| 3 | Tight cesspit | 1093 | 95716 |
13%
|
| 4 | non | 23 | 1875 |
0.3%
|
| Sysmiss | 3 | 216 |