| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 56 |
4%
|
| 1 | Electricity from mains | 1130 |
81.6%
|
| 2 | Electricity from generator | 3 |
0.2%
|
| 3 | Gas | 177 |
12.8%
|
| 4 | Candles | 1 |
0.1%
|
| 5 | Solar | 4 |
0.3%
|
| 6 | Paraffin | 4 |
0.3%
|
| 97 | Other | 10 |
0.7%
|