| Value | Category | Cases | |
|---|---|---|---|
| 6 | Coal (stone coal, lignite, wood coal) | 9 |
0.5%
|
| 7 | Charcoal | 3 |
0.2%
|
| 8 | Wood | 1885 |
96.4%
|
| 9 | Straw, shrubs, grass | 3 |
0.2%
|
| 10 | Dung | 53 |
2.7%
|
| 11 | Sawdust | 3 |
0.2%
|
| 12 | Tire, rubber | 0 |
0%
|
| 96 | Other | 0 |
0%
|
| 99 | Missing | 0 |
0%
|
| Sysmiss | 44 |