| Value | Category | Cases | |
|---|---|---|---|
| 1 | Gas | 8063 |
97.8%
|
| 2 | Kerosene | 12 |
0.1%
|
| 3 | Electricity | 48 |
0.6%
|
| 4 | Wood | 105 |
1.3%
|
| 5 | Other | 10 |
0.1%
|
| Sysmiss | 6 |