| Value | Category | Cases | |
|---|---|---|---|
| 1 | <10 minutes | 40 |
22%
|
| 2 | 11-30 minutes | 53 |
29.1%
|
| 3 | 31-60 minutes | 44 |
24.2%
|
| 4 | 61-120 minutes | 28 |
15.4%
|
| 5 | 120+ minutes | 17 |
9.3%
|
| Sysmiss | 126 |