| Value | Category | Cases | |
|---|---|---|---|
| 1 | Propane | 382 |
24.9%
|
| 2 | Kerosene | 6 |
0.4%
|
| 3 | Coal | 936 |
61.1%
|
| 4 | wood | 199 |
13%
|
| 98 | Do not know | 9 |
0.6%
|