| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 1327 |
85.9%
|
| 2 | Several days | 182 |
11.8%
|
| 3 | More than half the days | 22 |
1.4%
|
| 4 | Nearly every day | 14 |
0.9%
|