| Value | Category | Cases | |
|---|---|---|---|
| 1 | Electricity from mains | 17036 | 
                                                                 
                                    
                                    86.7%
                                 
                                                             | 
                                                        
                    
| 2 | Other source of electricity | 1275 | 
                                                                 
                                    
                                    6.5%
                                 
                                                             | 
                                                        
                    
| 3 | Gas | 30 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| 4 | Paraffin | 242 | 
                                                                 
                                    
                                    1.2%
                                 
                                                             | 
                                                        
                    
| 7 | Candles | 842 | 
                                                                 
                                    
                                    4.3%
                                 
                                                             | 
                                                        
                    
| 9 | Solar energy | 101 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    
| 10 | None | 4 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 11 | Other | 119 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             |