| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 22 |
1%
|
| 1 | Central heating | 1 |
0%
|
| 2 | Electricity | 432 |
20.2%
|
| 3 | Natural gas | 368 |
17.2%
|
| 4 | Liquefiedgas | 5 |
0.2%
|
| 5 | Oil and diesel | 9 |
0.4%
|
| 6 | Wood | 591 |
27.6%
|
| 9 | Other | 712 |
33.3%
|
| Sysmiss | 5732 |