| Value | Category | Cases | |
|---|---|---|---|
| 1 | open fire | 8371 |
67%
|
| 2 | open stove/coal pot | 202 |
1.6%
|
| 3 | closed stove | 17 |
0.1%
|
| 6 | other | 2 |
0%
|
| 9 | missing | 15 |
0.1%
|
| Sysmiss | 3881 |
31.1%
|