| Value | Category | Cases | |
|---|---|---|---|
| 1 | Within 5 minutes | 71 |
19.3%
|
| 2 | 6 to 30 minutes | 84 |
22.9%
|
| 3 | 31 to 60 minutes | 46 |
12.5%
|
| 4 | More than 60 minutes | 137 |
37.3%
|
| 9 | Refused | 29 |
7.9%
|
| Sysmiss | 16595 |