| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 0 | None | 215 | 
                                                                 
                                    
                                    9.2%
                                 
                                                             | 
                                                        
                    
| 1 | Electricity from mains | 2061 | 
                                                                 
                                    
                                    88.2%
                                 
                                                             | 
                                                        
                    
| 2 | Electricity from generator | 8 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    
| 3 | Gas | 11 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    
| 4 | Candles | 16 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    
| 5 | Solar | 15 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    
| 6 | Paraffin | 12 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    
| 97 | Other | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 2884 |