| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 19 |
0.7%
|
| 1 | 1 day | 7 |
0.3%
|
| 2 | 2 days | 8 |
0.3%
|
| 3 | 3 days | 15 |
0.6%
|
| 4 | 4 days | 8 |
0.3%
|
| 5 | 5 days | 5 |
0.2%
|
| 6 | 6 days | 1 |
0%
|
| 7 | Every day | 20 |
0.8%
|
| 8 | Was absent | 69 |
2.7%
|
| 9 | no answer | 0 |
0%
|
| Sysmiss | 2417 |
94.1%
|