Value | Category | Cases | |
---|---|---|---|
1 | Boil and filter | 237 |
12.1%
|
2 | Boil only | 561 |
28.6%
|
3 | Filter only | 19 |
1%
|
4 | Purifying chemicals | 273 |
13.9%
|
5 | Nothing is done | 870 |
44.4%
|
7 | Missing | 0 |
0%
|
Sysmiss | 2 |