| Value | Category | Cases | |
|---|---|---|---|
| 1 | Gas/LPG | 14 |
0.3%
|
| 2 | Electricity | 39 |
0.9%
|
| 3 | Wood | 4346 |
97.1%
|
| 4 | Coal | 9 |
0.2%
|
| 5 | Kerosene | 64 |
1.4%
|
| 6 | Peat, manure | 2 |
0%
|
| 7 | Other | 3 |
0.1%
|