| Value | Category | Cases | |
|---|---|---|---|
| 1 | <10 minutes | 46 |
16.9%
|
| 2 | 11-30 minutes | 88 |
32.4%
|
| 3 | 31-60 minutes | 70 |
25.7%
|
| 4 | 61-120 minutes | 36 |
13.2%
|
| 5 | 120+ minutes | 32 |
11.8%
|
| Sysmiss | 36 |