| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 30 minutes | 1296 |
52%
|
| 2 | 30 minutes to 1 hour | 828 |
33.2%
|
| 3 | 1 - 5 Hours | 365 |
14.6%
|
| 4 | More than 5 Hours | 3 |
0.1%
|
| Sysmiss | 6983 |