| Value | Category | Cases | |
|---|---|---|---|
| 1 | Electricity | 6 |
1.4%
|
| 2 | Paraffin | 1 |
0.2%
|
| 3 | Wood | 333 |
79.7%
|
| 4 | Coal | 8 |
1.9%
|
| 5 | Charcoal | 65 |
15.6%
|
| 6 | Sawdust | 1 |
0.2%
|
| 7 | Gas | 4 |
1%
|
| 8 | Other, specify | 0 |
0%
|