| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 0 |
0%
|
| 1 | Several days | 8649 |
88.3%
|
| 2 | More than half the days | 591 |
6%
|
| 3 | Nearly every day | 169 |
1.7%
|
| 4 | 73 |
0.7%
|
|
| 5 | 308 |
3.1%
|
|
| Sysmiss | 10 |