| Value | Category | Cases | |
|---|---|---|---|
| 1 | Gas | 401 |
18.2%
|
| 2 | Kerosene | 22 |
1%
|
| 3 | Electricity | 740 |
33.6%
|
| 4 | Wood | 413 |
18.7%
|
| 5 | Diesel | 3 |
0.1%
|
| 6 | Coal | 56 |
2.5%
|
| 7 | Other | 0 |
0%
|
| 8 | None | 569 |
25.8%
|