| Value | Category | Cases | |
|---|---|---|---|
| 1 | Open fire | 150 |
11.2%
|
| 2 | Open stove | 17 |
1.3%
|
| 3 | Closed stove | 1165 |
87.3%
|
| 6 | Other | 3 |
0.2%
|
| 9 | Missing | 0 |
0%
|
| Sysmiss | 3089 |