| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Electricity | 7 | 7 |
0.2%
|
| 2 | Gas | 2811 | 2796 |
98.6%
|
| 3 | Kerosene | 13 | 13 |
0.5%
|
| 4 | Wood & coal | 17 | 16 |
0.6%
|
| 5 | Others | 3 | 3 |
0.1%
|