| Value | Category | Cases | |
|---|---|---|---|
| -88 | Other (specify) | 0 |
0%
|
| 1 | Only water | 0 |
0%
|
| 2 | Soap | 0 |
0%
|
| 3 | Ash | 0 |
0%
|
| 4 | Soil | 91 |
100%
|
| 5 | None | 0 |
0%
|
| Sysmiss | 2044 |