| Value | Category | Cases | |
|---|---|---|---|
| 1 | Candle | 1 |
0.1%
|
| 2 | Electricity (from generator or electrical grid or solar pane | 693 |
37.7%
|
| 3 | Lamp with batteries | 801 |
43.5%
|
| 4 | Other (no electric supply to the house) | 345 |
18.8%
|
| Sysmiss | 1 |