| Value | Category | Cases | |
|---|---|---|---|
| 1 | 15 - 30 min | 37 |
12.8%
|
| 2 | 31 - 45 min | 55 |
19%
|
| 3 | 46 - 60 min | 63 |
21.7%
|
| 4 | More than 1 hour | 135 |
46.6%
|
| Missing value | 5 |