| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 104 |
4.4%
|
| 2 | 1 Hour | 588 |
24.7%
|
| 3 | More than 1 hour | 689 |
28.9%
|
| 4 | More than 1.5 hours | 999 |
42%
|
| Sysmiss | 947 |