| Value | Category | Cases | |
|---|---|---|---|
| 1 | 6 morning -11.59 before noon | 19 |
0.6%
|
| 2 | 12 noon – 7.59 evening | 22 |
0.7%
|
| 3 | 8 evening – 5.59 morning | 40 |
1.3%
|
| 4 | no specific time | 107 |
3.4%
|
| Sysmiss | 2934 |