| Value | Category | Cases | |
|---|---|---|---|
| 1 | Use water as it is | 15 |
15.6%
|
| 2 | Boil it | 1 |
1%
|
| 95 | missing | 0 |
0%
|
| 96 | Other | 0 |
0%
|
| 99 | N/a | 80 |
83.3%
|