| Value | Category | Cases | |
|---|---|---|---|
| 0 minutes | 8 |
6.9%
|
|
| 1 hour | 38 |
32.8%
|
|
| 1 hour and 30 minutes | 13 |
11.2%
|
|
| 2 hours | 3 |
2.6%
|
|
| other | 54 |
46.6%
|