| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 |
0%
|
|
| 2 | Boiling | 7 |
25.9%
|
| 3 | Filter Cloth | 1 |
3.7%
|
| 4 | Other type of filter | 5 |
18.5%
|
| 5 | Pur (flocculent) | 11 |
40.7%
|
| 6 | Sharp ( alum) | 3 |
11.1%
|
| Sysmiss | 1447 |