| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 30 min | 1602 |
26%
|
| 2 | More than 30 min; less than an hour | 1948 |
31.7%
|
| 3 | More than an hour | 2517 |
40.9%
|
| 4 | Don't know | 83 |
1.3%
|