| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 15 minutes | 1686 |
13.5%
|
| 2 | Between 15 and 30 minutes | 2423 |
19.4%
|
| 3 | Between 31 and 60 minutes | 2043 |
16.4%
|
| 4 | More than 60 minutes | 2937 |
23.5%
|
| 5 | Don?t know | 3391 |
27.2%
|