| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 15minutes | 88 |
83.8%
|
| 2 | Less than 30minutes | 12 |
11.4%
|
| 3 | 1 to 2hrs | 4 |
3.8%
|
| 4 | More than 2hrs | 1 |
1%
|
| Sysmiss | 3871 |