| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 2872 |
96.5%
|
| 1 | Several days | 74 |
2.5%
|
| 2 | More than half the days | 12 |
0.4%
|
| 3 | Nearly every day | 19 |
0.6%
|
| Sysmiss | 4044 |