| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 153 |
28%
|
| 2 | Mains | 47 |
8.6%
|
| 3 | Generator | 28 |
5.1%
|
| 4 | Battery (car) | 1 |
0.2%
|
| 5 | Solar | 237 |
43.3%
|
| 9 | Other | 81 |
14.8%
|
| Sysmiss | 1 |