| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 30 minutes | 4704 |
98.8%
|
| 2 | 30 minutes to 1 hour | 36 |
0.8%
|
| 3 | 1 - 5 Hours | 19 |
0.4%
|
| 4 | More than 5 Hours | 4 |
0.1%
|
| Sysmiss | 554 |