| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 58300 | 
                                    
                                    17.5%
                                 | 
| 1 | Grass / Firewood | 34700 | 
                                    
                                    10.4%
                                 | 
| 2 | Lamp/Candle/Torch | 225000 | 
                                    
                                    67.7%
                                 | 
| 3 | Electricity | 14400 | 
                                    
                                    4.3%
                                 |