| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 0 |
0%
|
| 1 | Several days | 8681 |
88.7%
|
| 2 | More than half the days | 752 |
7.7%
|
| 3 | Nearly every day | 158 |
1.6%
|
| 4 | 62 |
0.6%
|
|
| 5 | 137 |
1.4%
|
|
| Sysmiss | 10 |