| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 1167 |
76.3%
|
| 1 | Several days | 208 |
13.6%
|
| 2 | More than half the days | 128 |
8.4%
|
| 3 | Nearly every day | 27 |
1.8%
|