| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 30 minutes | 1536 |
45.4%
|
| 2 | 30 minutes to 1 hour | 642 |
19%
|
| 3 | 1 - 5 Hours | 1106 |
32.7%
|
| 4 | More than 5 Hours | 96 |
2.8%
|
| Sysmiss | 170 |