| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 201 |
12.7%
|
| 1 | Central heating | 2 |
0.1%
|
| 2 | Electricity | 317 |
20.1%
|
| 3 | Natural gas | 211 |
13.4%
|
| 4 | Liquefiedgas | 8 |
0.5%
|
| 5 | Oil and diesel | 9 |
0.6%
|
| 6 | Wood | 321 |
20.3%
|
| 9 | Other | 511 |
32.3%
|
| Sysmiss | 3604 |