| Value | Category | Cases | |
|---|---|---|---|
| 1 | Electricity | 4196 |
43.5%
|
| 2 | Solar energy | 182 |
1.9%
|
| 3 | Gas | 30 |
0.3%
|
| 4 | Paraffin | 1213 |
12.6%
|
| 5 | Wood or wood charcoal | 210 |
2.2%
|
| 6 | Candles | 3666 |
38%
|
| 7 | Other | 140 |
1.4%
|
| 8 | None | 11 |
0.1%
|
| 97 | Not stated | 8 |
0.1%
|