| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 30 minutes | 1466 |
41.4%
|
| 2 | 30 minutes to 1 hour | 763 |
21.6%
|
| 3 | 1 - 5 Hours | 1196 |
33.8%
|
| 4 | More than 5 Hours | 115 |
3.2%
|
| Sysmiss | 1777 |