| Value | Category | Cases | |
|---|---|---|---|
| 1 | Electricity | 1212 |
19.6%
|
| 6 | Coal | 738 |
11.9%
|
| 7 | Wood | 2515 |
40.7%
|
| 8 | Argal | 1683 |
27.2%
|
| 9 | Other | 34 |
0.5%
|
| 99 | 2 |
0%
|