| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 475 |
50.4%
|
| 1 | Several days | 303 |
32.1%
|
| 2 | More than half the days | 120 |
12.7%
|
| 3 | Nearly every day | 45 |
4.8%
|