| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
1.7%
|
| -7 | No water from a utility (spontaneous) | 168 |
97.1%
|
| 1100000 | 1 |
0.6%
|
|
| 13000000 | 1 |
0.6%
|