| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 109 |
66.9%
|
| 2 | Mains | 8 |
4.9%
|
| 3 | Generator | 1 |
0.6%
|
| 4 | Battery (car) | 0 |
0%
|
| 5 | Solar | 43 |
26.4%
|
| 9 | Other | 2 |
1.2%
|
| Sysmiss | 41 |