| Value | Category | Cases | |
|---|---|---|---|
| 0 minutes | 4 |
2.6%
|
|
| 1 hour | 67 |
42.9%
|
|
| 1 hour and 30 minutes | 25 |
16%
|
|
| 2 hours | 23 |
14.7%
|
|
| other | 37 |
23.7%
|