| Value | Category | Cases | |
|---|---|---|---|
| 1 | Central | 5176 |
80.9%
|
| 2 | Diesel only | 565 |
8.8%
|
| 3 | Diesel and Generator | 142 |
2.2%
|
| 4 | Generator | 518 |
8.1%
|
| Sysmiss | 1999 |