| Value | Category | Cases | |
|---|---|---|---|
| 1 | <10 minutes | 40 |
16.7%
|
| 2 | 11-30 minutes | 74 |
31%
|
| 3 | 31-60 minutes | 57 |
23.8%
|
| 4 | 61-120 minutes | 34 |
14.2%
|
| 5 | 120+ minutes | 34 |
14.2%
|
| Sysmiss | 69 |