| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 380 |
16%
|
| 2 | 1 Hour | 682 |
28.7%
|
| 3 | More than 1 hour | 590 |
24.8%
|
| 4 | More than 1.5 hours | 728 |
30.6%
|
| Sysmiss | 947 |