| Value | Category | Cases | |
|---|---|---|---|
| 1 | Electricity less than 6 hours a day | 2 | 
                                    
                                    1.6%
                                 | 
| 2 | Electricity more than 6 hours a day | 122 | 
                                    
                                    96.1%
                                 | 
| 3 | Irregular, no set pattern | 3 | 
                                    
                                    2.4%
                                 | 
| Sysmiss | 1 |