| Value | Category | Cases | |
|---|---|---|---|
| 1 | Electricity from mains | 19740 |
87.8%
|
| 2 | Electricity from generator | 23 |
0.1%
|
| 3 | Gas | 10 |
0%
|
| 4 | Paraffin | 625 |
2.8%
|
| 7 | Candles | 1982 |
8.8%
|
| 9 | Solar energy | 49 |
0.2%
|
| 10 | Other, specify | 7 |
0%
|
| 11 | None | 48 |
0.2%
|