| Value | Category | Cases | |
|---|---|---|---|
| 1 | City power | 1199 |
26.6%
|
| 2 | Generator | 102 |
2.3%
|
| 3 | Kerosene | 1003 |
22.3%
|
| 4 | Candle | 24 |
0.5%
|
| 5 | Battery | 2105 |
46.8%
|
| 6 | Other | 67 |
1.5%
|