| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 - 2 hours | 13 |
54.2%
|
| 2 | 2.1 - 4 hours | 8 |
33.3%
|
| 3 | 4.1 - 6 hours | 0 |
0%
|
| 4 | 6.1 - 8 hours | 2 |
8.3%
|
| 5 | 8.1 - 10 hours | 1 |
4.2%
|
| 6 | more than 10 hours | 0 |
0%
|
| Sysmiss | 422 |