| Value | Category | Cases | |
|---|---|---|---|
| 1 | CHARCOAL | 1192 |
78.6%
|
| 2 | FIREWOOD | 256 |
16.9%
|
| 3 | GAS | 12 |
0.8%
|
| 4 | PARAFFIN | 1 |
0.1%
|
| 5 | OTHER (SPECIFY) | 55 |
3.6%
|
| Sysmiss | 9918 |