| Value | Category | Cases | |
|---|---|---|---|
| charcoal | 560 |
8.3%
|
|
| firewood | 6213 |
91.6%
|
|
| gas_fuel | 5 |
0.1%
|
|
| no_answer | 4 |
0.1%
|
|
| other | 2 |
0%
|