| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 30 minutes | 1106 |
79.7%
|
| 2 | 30 minutes to 1 hour | 202 |
14.6%
|
| 3 | 1 - 5 Hours | 75 |
5.4%
|
| 4 | More than 5 Hours | 4 |
0.3%
|
| Sysmiss | 1560 |