| Value | Category | Cases | |
|---|---|---|---|
| 1 | <10 minutes | 59 |
20.3%
|
| 2 | 11-30 minutes | 98 |
33.8%
|
| 3 | 31-60 minutes | 61 |
21%
|
| 4 | 61-120 minutes | 39 |
13.4%
|
| 5 | 120+ minutes | 33 |
11.4%
|
| Sysmiss | 18 |