| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 15 minutes | 3391 |
27.2%
|
| 2 | Between 15 and 30 minutes | 4683 |
37.5%
|
| 3 | Between 31 and 60 minutes | 3258 |
26.1%
|
| 4 | More than 60 minutes | 1107 |
8.9%
|
| 5 | Don?t know | 41 |
0.3%
|