| Value | Category | Cases | |
|---|---|---|---|
| 1 | Butane gas | 8130 |
65.2%
|
| 2 | Natural gas | 4320 |
34.7%
|
| 3 | Kerosine | 4 |
0%
|
| 4 | Electricity | 5 |
0%
|
| 5 | Wood and logging | 3 |
0%
|
| 6 | Other | 1 |
0%
|