| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Electricity | 15 | 19 |
0.5%
|
| 2 | Gas | 3683 | 3680 |
98.5%
|
| 3 | Kerosene | 4 | 5 |
0.1%
|
| 4 | Wood & coal | 32 | 32 |
0.8%
|
| 5 | Others | 2 | 2 |
0%
|
| Sysmiss | 3 | 2 |