| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 30 minutes | 4670 |
88.7%
|
| 2 | 30 minutes to 1 hour | 482 |
9.2%
|
| 3 | 1 - 5 Hours | 98 |
1.9%
|
| 4 | More than 5 Hours | 12 |
0.2%
|
| Sysmiss | 55 |