| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 15 minutes | 143 |
37.3%
|
| 2 | 15-30 minutes | 106 |
27.7%
|
| 3 | 31-60 minutes | 68 |
17.8%
|
| 4 | More than one hour | 59 |
15.4%
|
| 5 | Refused | 3 |
0.8%
|
| 6 | Refused | 0 |
0%
|
| 7 | Data not entered | 4 |
1%
|
| Sysmiss | 686 |