| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 690 |
49%
|
| 2 | Mains | 596 |
42.4%
|
| 3 | Generator | 75 |
5.3%
|
| 4 | Battery (car) | 0 |
0%
|
| 5 | Solar | 0 |
0%
|
| 9 | Other | 46 |
3.3%
|
| Sysmiss | 1073 |