| Value | Category | Cases | |
|---|---|---|---|
| 1 | CHARCOAL | 363 |
83.1%
|
| 2 | FIREWOOD | 65 |
14.9%
|
| 3 | GAS | 2 |
0.5%
|
| 4 | PARAFFIN | 1 |
0.2%
|
| 5 | OTHER (SPECIFY) | 6 |
1.4%
|
| Sysmiss | 2071 |