| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 15 minutes | 693 |
5.6%
|
| 2 | Between 15 and 30 minutes | 1536 |
12.3%
|
| 3 | Between 31 and 60 minutes | 2013 |
16.1%
|
| 4 | More than 60 minutes | 4392 |
35.2%
|
| 5 | Don?t know | 3846 |
30.8%
|