| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 174 |
80.9%
|
| 2 | Mains | 0 |
0%
|
| 3 | Generator | 28 |
13%
|
| 4 | Battery (car) | 3 |
1.4%
|
| 5 | Solar | 9 |
4.2%
|
| 9 | Other | 1 |
0.5%
|
| Sysmiss | 186 |