| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 411 |
46.2%
|
| 1 | Several days | 317 |
35.6%
|
| 2 | More than half the days | 50 |
5.6%
|
| 3 | Nearly every day | 112 |
12.6%
|