| Value | Category | Cases | |
|---|---|---|---|
| . | 18 |
75%
|
|
| Night duty | 1 |
4.2%
|
|
| None | 1 |
4.2%
|
|
| None because of strike | 1 |
4.2%
|
|
| On strike | 3 |
12.5%
|