| Value | Category | Cases | |
|---|---|---|---|
| 1 | Closed sewage | 22240 |
85.2%
|
| 2 | Open sewage | 2083 |
8%
|
| 3 | Any place at home | 1704 |
6.5%
|
| 4 | Public drainage | 81 |
0.3%
|
| 9 | 97 |