| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 30 minutes | 2544 |
97%
|
| 2 | 30 minutes to 1 hour | 62 |
2.4%
|
| 3 | 1 - 5 Hours | 14 |
0.5%
|
| 4 | More than 5 Hours | 3 |
0.1%
|
| Sysmiss | 324 |