| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 15 minutes | 2122 |
15.2%
|
| 2 | Between 15 and 30 minutes | 3701 |
26.4%
|
| 3 | Between 31 and 60 minutes | 4202 |
30%
|
| 4 | More than 60 minutes | 3774 |
27%
|
| 99 | Don?t know | 195 |
1.4%
|