| Value | Category | Cases | |
|---|---|---|---|
| -3 | Missing | 48 | 
                                    
                                    0.7%
                                 | 
| 1 | Electricity from mains | 5587 | 
                                    
                                    76.6%
                                 | 
| 2 | Electricity from generator | 38 | 
                                    
                                    0.5%
                                 | 
| 3 | Gas | 8 | 
                                    
                                    0.1%
                                 | 
| 4 | Paraffin | 254 | 
                                    
                                    3.5%
                                 | 
| 5 | Wood | 0 | 
                                    
                                    0%
                                 | 
| 6 | Coal | 0 | 
                                    
                                    0%
                                 | 
| 7 | Candles | 1334 | 
                                    
                                    18.3%
                                 | 
| 8 | Animal Dung | 0 | 
                                    
                                    0%
                                 | 
| 9 | Solar energy | 13 | 
                                    
                                    0.2%
                                 | 
| 10 | Other (specify) | 2 | 
                                    
                                    0%
                                 | 
| 11 | None | 12 | 
                                    
                                    0.2%
                                 |