| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1-2 hours | 735 |
41.3%
|
| 2 | 3-4 hours | 104 |
5.8%
|
| 3 | 5-6 hours | 7 |
0.4%
|
| 4 | Less than an hour | 929 |
52.2%
|
| Missing value | 3 |
0.2%
|