| Value | Category | Cases | |
|---|---|---|---|
| 1 | Electricity | 1879 |
22.8%
|
| 6 | Coal | 974 |
11.8%
|
| 7 | Wood | 3271 |
39.6%
|
| 8 | Argal | 2089 |
25.3%
|
| 9 | Other | 35 |
0.4%
|
| 97 | 5 |
0.1%
|
|
| 99 | 4 |
0%
|