| Value | Category | Cases | |
|---|---|---|---|
| ? | 24 |
0.2%
|
|
| A | Boil | 8870 |
75%
|
| AB | 127 |
1.1%
|
|
| ABC | 21 |
0.2%
|
|
| ABD | 5 |
0%
|
|
| AC | 853 |
7.2%
|
|
| ACD | 4 |
0%
|
|
| ACF | 11 |
0.1%
|
|
| AD | 290 |
2.5%
|
|
| ADF | 1 |
0%
|
|
| ADX | 1 |
0%
|
|
| AE | 1 |
0%
|
|
| AF | 35 |
0.3%
|
|
| AX | 2 |
0%
|
|
| B | Add bleach/chlorine | 183 |
1.5%
|
| BC | 12 |
0.1%
|
|
| BD | 4 |
0%
|
|
| C | Strain through a cloth | 1093 |
9.2%
|
| CD | 3 |
0%
|
|
| CF | 5 |
0%
|
|
| D | Use water filter (ceramic/sand/composite/etc.) | 240 |
2%
|
| E | Solar disinfection | 4 |
0%
|
| F | Let stand and settle | 39 |
0.3%
|
| X | Other | 5 |
0%
|
| Z | Don't know | 1 |
0%
|