| Value | Category | Cases | |
|---|---|---|---|
| 1 | Cessation of service | 7 |
0.2%
|
| 2 | Movement restriction | 12 |
0.4%
|
| 4 | Fuel shortage | 68 |
2.3%
|
| 5 | Other | 2 |
0.1%
|
| Sysmiss | 2898 |
97%
|