| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 0 |
0%
|
| 0 | None | 86 |
3.7%
|
| 1 | Electricity from mains | 641 |
27.4%
|
| 2 | Electricity from generator | 0 |
0%
|
| 3 | Gas | 1372 |
58.6%
|
| 4 | Solar | 0 |
0%
|
| 5 | Paraffin | 4 |
0.2%
|
| 6 | Coal or wood | 231 |
9.9%
|
| 97 | Other | 9 |
0.4%
|
| Sysmiss | 2879 |