| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 25676 |
10.3%
|
| 1 | Electricity | 96623 |
38.7%
|
| 2 | Gas | 4932 |
2%
|
| 3 | Paraffin | 20935 |
8.4%
|
| 4 | Wood | 91367 |
36.6%
|
| 5 | Coal | 7474 |
3%
|
| 7 | Animal dung | 2232 |
0.9%
|
| 8 | Solar | 533 |
0.2%
|
| 9 | Other | 67 |
0%
|
| Sysmiss | 6 |