| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO TREATMENT | 37754 |
84%
|
| 2 | BOIL | 695 |
1.5%
|
| 3 | ADD CHLORINE | 6308 |
14%
|
| 4 | ADD IODINE | 182 |
0.4%
|
| 17 | 10 |
0%
|
|
| 96 | OTHER, SPECIFY | 6 |
0%
|
| 99 | 7 |
0%
|
|
| Sysmiss | 99 |