| Value | Category | Cases | |
|---|---|---|---|
| -2 | don't know | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -1 | refuse | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 1 | Yes | 31 | 
                                                                 
                                    
                                    8.5%
                                 
                                                             | 
                                                        
                    
| 2 | No/There is no functioning natural gas network | 211 | 
                                                                 
                                    
                                    58.1%
                                 
                                                             | 
                                                        
                    
| 3 | No/There is network, but my premises are not connected to it | 121 | 
                                                                 
                                    
                                    33.3%
                                 
                                                             | 
                                                        
                    
| 4 | Does not use | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 686 |