| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 86 |
1.7%
|
| 1 | Central heating | 7 |
0.1%
|
| 2 | Electricity | 844 |
16.3%
|
| 3 | Natural gas | 1940 |
37.4%
|
| 4 | Liquefiedgas | 3 |
0.1%
|
| 5 | Oil and diesel | 1 |
0%
|
| 6 | Wood | 1995 |
38.5%
|
| 9 | Other | 308 |
5.9%
|