| Value | Category | Cases | |
|---|---|---|---|
| 1 | <10 minutes | 42 |
21.9%
|
| 2 | 11-30 minutes | 55 |
28.6%
|
| 3 | 31-60 minutes | 45 |
23.4%
|
| 4 | 61-120 minutes | 31 |
16.1%
|
| 5 | 120+ minutes | 19 |
9.9%
|
| Sysmiss | 116 |