| Value | Category | Cases | |
|---|---|---|---|
| 1 | electricity | 15 |
0.1%
|
| 2 | lpg/natural gas | 487 |
3%
|
| 3 | kerosene | 55 |
0.3%
|
| 4 | charcoal | 1262 |
7.9%
|
| 5 | firewood, straw | 14159 |
88.6%
|
| 6 | other | 6 |
0%
|
| Sysmiss | 1 |