| Value | Category | Cases | |
|---|---|---|---|
| 2 | ELECTRICITY | 2 | 
                                    
                                    0%
                                 | 
| 6 | ALCOHOL / ETHANOL | 1 | 
                                    
                                    0%
                                 | 
| 10 | CHARCOAL | 177 | 
                                    
                                    2.3%
                                 | 
| 11 | WOOD | 88 | 
                                    
                                    1.1%
                                 | 
| 96 | OTHER | 1 | 
                                    
                                    0%
                                 | 
| Sysmiss | 7481 | 
                                    
                                    96.5%
                                 |