| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 30 minutes | 1859 |
52.9%
|
| 2 | 30 minutes to 1 hour | 739 |
21%
|
| 3 | 1 - 5 Hours | 835 |
23.7%
|
| 4 | More than 5 Hours | 84 |
2.4%
|
| Sysmiss | 1800 |