| Value | Category | Cases | |
|---|---|---|---|
| 1 | Below 5 minutes | 11 |
3.1%
|
| 2 | Between 5-15 minutes | 158 |
44.1%
|
| 3 | Between 15-30 minutes | 142 |
39.7%
|
| 4 | Over 30 minutes | 44 |
12.3%
|
| 5 | Don't know | 3 |
0.8%
|
| Sysmiss | 146 |