| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 15minutes | 258 |
80.4%
|
| 2 | Less than 30minutes | 43 |
13.4%
|
| 3 | 1 to 2hrs | 18 |
5.6%
|
| 4 | More than 2hrs | 2 |
0.6%
|
| Sysmiss | 3655 |