| Value | Category | Cases | |
|---|---|---|---|
| 1 | SOLAR AIR HEATER | 4 | 
                                    
                                    0.1%
                                 | 
| 2 | ELECTRICITY | 752 | 
                                    
                                    15.7%
                                 | 
| 3 | PIPED NATURAL GAS | 23 | 
                                    
                                    0.5%
                                 | 
| 4 | LIQUEFIED PETROLEUM GAS (LPG) / COOKING GAS | 22 | 
                                    
                                    0.5%
                                 | 
| 5 | BIOGAS | 1 | 
                                    
                                    0%
                                 | 
| 7 | GASOLINE / DIESEL | 71 | 
                                    
                                    1.5%
                                 | 
| 8 | KEROSENE / PARAFFIN | 1 | 
                                    
                                    0%
                                 | 
| 9 | COAL / LIGNITE | 1 | 
                                    
                                    0%
                                 | 
| 10 | CHARCOAL | 5 | 
                                    
                                    0.1%
                                 | 
| 11 | WOOD | 2978 | 
                                    
                                    62.3%
                                 | 
| 12 | CROP RESIDUE / GRASS / STRAW / SHRUBS | 3 | 
                                    
                                    0.1%
                                 | 
| 14 | PROCESSED BIOMASS (PELLETS) OR WOODCHIPS | 172 | 
                                    
                                    3.6%
                                 | 
| 16 | SAWDUST | 6 | 
                                    
                                    0.1%
                                 | 
| 96 | OTHER | 38 | 
                                    
                                    0.8%
                                 | 
| 98 | DK | 1 | 
                                    
                                    0%
                                 | 
| Sysmiss | 699 | 
                                    
                                    14.6%
                                 |