| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 1114 |
50.2%
|
| 2 | Several days | 617 |
27.8%
|
| 3 | More than half the days | 263 |
11.9%
|
| 4 | Nearly everyday | 225 |
10.1%
|