| Value | Category | Cases | |
|---|---|---|---|
| 1 | 15-30 minutes | 102 |
26.2%
|
| 2 | 31-45 minutes | 19 |
4.9%
|
| 3 | 46-60 minutes | 19 |
4.9%
|
| 4 | Don't know | 1 |
0.3%
|
| 5 | Less than 15 minutes | 237 |
60.9%
|
| 6 | More than one hour | 11 |
2.8%
|
| Missing value | 7 |