| Value | Category | Cases | |
|---|---|---|---|
| 1 | CHARCOAL | 522 |
84.2%
|
| 2 | FIREWOOD | 78 |
12.6%
|
| 3 | GAS | 5 |
0.8%
|
| 4 | PARAFFIN | 1 |
0.2%
|
| 5 | OTHER (SPECIFY) | 14 |
2.3%
|