| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1389 |
44%
|
| 2 | Once or twice a year | 708 |
22.4%
|
| 3 | Monthly | 303 |
9.6%
|
| 4 | More often than monthly | 275 |
8.7%
|
| 8 | Uncertain | 66 |
2.1%
|
| 9 | Not applicable - no electricity connection | 417 |
13.2%
|
| Sysmiss | 6 |