| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 13 |
1.1%
|
| 1 | Central heating | 0 |
0%
|
| 2 | Electricity | 345 |
30.4%
|
| 3 | Natural gas | 205 |
18.1%
|
| 4 | Liquefiedgas | 3 |
0.3%
|
| 5 | Oil and diesel | 3 |
0.3%
|
| 6 | Wood | 254 |
22.4%
|
| 9 | Other | 311 |
27.4%
|
| Sysmiss | 4050 |