| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 15 minutes | 2924 |
23.4%
|
| 2 | Between 15 and 30 minutes | 3197 |
25.6%
|
| 3 | Between 31 and 60 minutes | 2547 |
20.4%
|
| 4 | More than 60 minutes | 3743 |
30%
|
| 5 | Don?t know | 69 |
0.6%
|