| Value | Category | Cases | |
|---|---|---|---|
| 1 | 15-30 minutes | 292 |
43.8%
|
| 2 | 30-45 minutes | 82 |
12.3%
|
| 3 | 45-60 minutes | 53 |
7.9%
|
| 4 | Don't know | 3 |
0.4%
|
| 5 | Less than 15 minutes | 196 |
29.4%
|
| 6 | more than one hour. | 41 |
6.1%
|