| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 30 minutes | 1484 |
59.6%
|
| 2 | 30 minutes to 1 hour | 690 |
27.7%
|
| 3 | 1 - 5 Hours | 317 |
12.7%
|
| 4 | More than 5 Hours | 1 |
0%
|
| Sysmiss | 6983 |