| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 - 2 hours | 23 |
46.9%
|
| 2 | 2.1 - 4 hours | 17 |
34.7%
|
| 3 | 4.1 - 6 hours | 5 |
10.2%
|
| 4 | 6.1 - 8 hours | 4 |
8.2%
|
| 5 | 8.1 - 10 hours | 0 |
0%
|
| 6 | more than 10 hours | 0 |
0%
|
| Sysmiss | 618 |