| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Gas burner | 2140 | 1945 |
82.3%
|
| 2 | Kerosene burner | 119 | 239 |
10.1%
|
| 3 | Wood burner | 78 | 131 |
5.6%
|
| 4 | Electric oven | 26 | 47 |
2%
|