| Value | Category | Cases | |
|---|---|---|---|
| 1 | <10 minutes | 45 |
18.4%
|
| 2 | 11-30 minutes | 69 |
28.2%
|
| 3 | 31-60 minutes | 62 |
25.3%
|
| 4 | 61-120 minutes | 30 |
12.2%
|
| 5 | 120+ minutes | 39 |
15.9%
|
| Sysmiss | 63 |