| Value | Category | Cases | |
|---|---|---|---|
| 1 | Solar energy | 3680 |
44.6%
|
| 2 | Gas | 1141 |
13.8%
|
| 3 | Kerosene | 20 |
0.2%
|
| 4 | Electricity | 3132 |
38%
|
| 5 | Wood | 237 |
2.9%
|
| 6 | Coal | 6 |
0.1%
|
| 7 | Diesel | 1 |
0%
|
| 8 | Other | 20 |
0.2%
|
| Sysmiss | 7 |