| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 10 minutes | 602 |
21%
|
| 2 | 10 - 20 minutes | 735 |
25.7%
|
| 3 | 21 - 30 minutes | 546 |
19.1%
|
| 4 | More than 30 minutes | 976 |
34.1%
|
| 9 | Missing value | 4 |
0.1%
|