| Value | Category | Cases | |
|---|---|---|---|
| 1 | Electricity | 526 |
14.6%
|
| 2 | Wood | 2106 |
58.5%
|
| 3 | Gas | 858 |
23.8%
|
| 4 | Oil, petrol | 16 |
0.4%
|
| 5 | Coal | 2 |
0.1%
|
| 6 | None / No heating | 86 |
2.4%
|
| 7 | Other | 5 |
0.1%
|