| Value | Category | Cases | |
|---|---|---|---|
| 1 | Manually | 146 |
85.9%
|
| 2 | Special vehicles | 6 |
3.5%
|
| 3 | Both methods | 5 |
2.9%
|
| 4 | Other | 0 |
0%
|
| 5 | All types are separated | 11 |
6.5%
|
| Sysmiss | 2 |