| Value | Category | Cases | |
|---|---|---|---|
| 1 | Electricity | 7 |
0.1%
|
| 2 | Kerosene/oil | 1 |
0%
|
| 3 | Gas | 9 |
0.1%
|
| 4 | Charcoal | 2642 |
31.6%
|
| 5 | Wood | 5659 |
67.8%
|
| 6 | Other, specify | 31 |
0.4%
|
| Sysmiss | 1 |