| Value | Category | Cases | |
|---|---|---|---|
| 1 | electricity | 473 |
31.5%
|
| 2 | wood | 656 |
43.6%
|
| 3 | gas | 23 |
1.5%
|
| 4 | oil, petrol | 6 |
0.4%
|
| 5 | coal | 181 |
12%
|
| 6 | dung | 154 |
10.2%
|
| 7 | cotton stalks | 5 |
0.3%
|
| 8 | none/no heating | 1 |
0.1%
|
| 9 | other | 4 |
0.3%
|