| Value | Category | Cases | |
|---|---|---|---|
| 1 | Electricity | 957 |
24.2%
|
| 2 | Paraffin | 12 |
0.3%
|
| 3 | Coal / wood / charcoal | 2988 |
75.4%
|
| 4 | Gas | 4 |
0.1%
|
| 95 | Others | 0 |
0%
|
| 99 | Not specified | 0 |
0%
|
| Sysmiss | 37 |