| Value | Category | Cases | |
|---|---|---|---|
| 1 | <10 minutes | 42 |
15.8%
|
| 2 | 11-30 minutes | 88 |
33.2%
|
| 3 | 31-60 minutes | 62 |
23.4%
|
| 4 | 61-120 minutes | 41 |
15.5%
|
| 5 | 120+ minutes | 32 |
12.1%
|
| Sysmiss | 43 |