| Value | Category | Cases | |
|---|---|---|---|
| 1 | Electricity | 341 | 
                                    
                                    12%
                                 | 
| 2 | Gas | 614 | 
                                    
                                    21.5%
                                 | 
| 3 | Kerosene | 440 | 
                                    
                                    15.4%
                                 | 
| 4 | Solar oil | 46 | 
                                    
                                    1.6%
                                 | 
| 5 | Coal\firewood | 920 | 
                                    
                                    32.3%
                                 | 
| 6 | Without heating | 490 | 
                                    
                                    17.2%
                                 |