| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO TREATMENT | 41823 |
93%
|
| 2 | BOIL | 324 |
0.7%
|
| 3 | ADD CHLORINE | 2612 |
5.8%
|
| 4 | ADD IODINE | 209 |
0.5%
|
| 96 | OTHER, SPECIFY | 9 |
0%
|
| 99 | 7 |
0%
|
|
| Sysmiss | 77 |