| Value | Category | Cases | |
|---|---|---|---|
| 1 | Coke, coal | 7996 |
6.8%
|
| 2 | Firewood & chips | 80452 |
68.4%
|
| 3 | Gas (coal, oil or natural) | 4406 |
3.7%
|
| 4 | Gober gas | 258 |
0.2%
|
| 5 | Dung cake | 11611 |
9.9%
|
| 6 | Charcoal | 320 |
0.3%
|
| 7 | Kerosene | 7187 |
6.1%
|
| 8 | Electricity | 228 |
0.2%
|
| 9 | Others | 5146 |
4.4%
|