| Value | Category | Cases | |
|---|---|---|---|
| 1 | Sewerage system | 7361 |
74.9%
|
| 2 | Septic tank | 2292 |
23.3%
|
| 3 | Open air | 169 |
1.7%
|
| 4 | Other | 1 |
0%
|
| Sysmiss | 37 |