| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 30 min | 1902 |
30.9%
|
| 2 | More than 30 min; less than an hour | 2079 |
33.8%
|
| 3 | More than an hour | 2104 |
34.2%
|
| 4 | Don't know | 65 |
1.1%
|