| Value | Category | Cases | |
|---|---|---|---|
| 1 | 08:00-15:59 | 9 |
0.8%
|
| 2 | 16:00-23:59 | 20 |
1.7%
|
| 3 | 24:00-07:59 | 18 |
1.5%
|
| 4 | Don’t know | 6 |
0.5%
|
| Sysmiss | 1135 |