| Value | Category | Cases | |
|---|---|---|---|
| 1 | Wired & supplied | 14775 |
67.9%
|
| 2 | Wired, not supplied | 1451 |
6.7%
|
| 3 | Neither wired nor supplied | 4686 |
21.5%
|
| 4 | Generators | 78 |
0.4%
|
| 5 | Other | 757 |
3.5%
|
| Sysmiss | 1735 |