| Value | Category | Cases | |
|---|---|---|---|
| 1 | Coal | 152361 |
42.8%
|
| 2 | Charcoal | 3874 |
1.1%
|
| 3 | Wood, straw, grass, sawdust | 106718 |
30%
|
| 4 | Dung | 92960 |
26.1%
|
| 6 | Other | 185 |
0.1%
|
| Sysmiss | 81938 |