| Value | Category | Cases | |
|---|---|---|---|
| 1 | Gas | 3153 |
97.9%
|
| 2 | Kerosene | 4 |
0.1%
|
| 3 | Electricity | 44 |
1.4%
|
| 4 | Wood | 12 |
0.4%
|
| 5 | Other, specify | 3 |
0.1%
|
| Sysmiss | 4 |